Virus is classified as these three types: Trojan Horse Virus, spyware, adware.

You can remove Trojan virus by cleaning registry besides running an antivirus program.

Remove Trojan virus step 1.
Identifying the Trojan virus is important before you remove it! If you are already know what virus you have infected, please skip this step and go to step two. Most time, you will receive an error message showing you have DLL error. Copy and paste the error to some webs like processlibrary.com. Those sites will show you the information of the virus such as virus names!

Remove Trojan virus step 2.

First, you need enables hidden files showing. Hidden files always prevent you from removing virus. To do that, you can follow the guide.

1. Double click My Computer.

2. At the top of the window, click Tool to drop-down the menu and select Folder Options.

3. At View tab, you should check Display the contents of system folders and click Apply.

Remove Trojan virus step 3.

In order to remove virus completely, you should boot in Safe Mode. Open the task manager to stop Virus Process. 

Remove Trojan virus step 4.
Rewrite your registry. Virus always changes your registry entries. We notice that most viruses are “EXE” files. You can find the virus in the registry

folder: HKEY_LOCAL_MACHINE> 
SOFTWARE>Microsoft>Windows>Current Version>RUN

1. Press Start and click Run.

2. Type “regedit” to the dialogue box.

3. You will see the registry key: HKEY_LOCAL_MACHINE> SOFTWARE>Microsoft>Windows>Current Version>RUN

4. Delete all the files relate to the virus name.

Remove Trojan virus step 5.

1. Go to “system configuration utility” by pressing Start>Run>type “msconfig.exe”> Startup tab.

2. Disable the process which is related to the virus.

Daily computer maintain is important. Computer maintaining including Windows update, DLL file register, error files removal, registry clean can reduce virus infected chance.  Recommend you do a free scan here!

In our daily life, computer is indispensible. You don’t like a slow computer. I believe all computer users were troubled a lot by slow computer problems. I would share my experience to let you solve the problems. Just try tips below!

Do a defragment
Over used, hard disk become discontinuous. In that case, computer can not write and read your hard disk smoothly. Regularly defragment disk drive can help you improve PC performace. Windows system itself has defragmenter. You can clean up useless file with defragmenter.

Add more memory for your computer.
If you are running Vista, at least you need 2 GB RAM. Windows XP need 1 GB. Otherwise, your computer many running slow. It even shutdown itself when you are running a large program.

Do not run too many programs at one time
Press DEL+ALT+CTRL to access task manage, you can see the CPU usage. If you run too much programs, CPU usage will go from a low percent to 100%. If you often do that, the Windows registry will go to damaged.

Do virus scan to improve computer performance
Virus is the biggest threaten to computer.

Shut down computer properly.
In normal, shutdown PC by click start>Shutdown. When you encounter a computer freeze, do not shut download computer by cut off the power directly. You should press restart button.

In order to run your computer in optimal state, you can do a registry clean.

let’s learn more about Internet Security 2010 and antivirus 2010 before removing the rogue program. It install on your computer without your permission. Usually, it infect your computer via malware. This kind of virus can automatically run when you start your windows system. An security keep popping up saying “Worm.Win32.NetSky” was detected on your computer. After this fake indication, Internet Securty will do a forcible scan. A lot of such awful error messages you will get. If you try to remove those fake threats, Internet Security 2010 will ask you to buy their product. Don’t believe them! The just want your money. Unfortunately You can do nothing with this trojan even in safe mode. There also no way to remove it from add/remove program. Below, you can see how to remove this annoying program to get rid of the fake report.

Malwarebytes doesn’t work, why? This is a stubborn application. Once you getting in trouble with Internet Security 2010, a trojan come with the program will modify your registry to let certain of our system application start the fake scan. Then another trojan come with Internet Security 2010 just call a message application showing you to buy the product. All this process are relate to your registry. In our previous article, we have mentioned the Windows registry is the most importance database. It record computer setting, operation information. If it is rewrite, you are hardly to remove Internet Security 2010 by a common anti-virus.

First, download a registry clean tool, install it and do a full scan to clean your registry to trace the potential threats. After scanning, it will show you the detail information of your registry. Just clean out the registry. This clean process including key logger removal, error registry files repairing.

Second, you can click PRO manager to scan the programs install on your computer including Internet Scurity 2010. This is different from add/remove program, it even can show you hidden program and forcible remove it.

1. The biggest threat of your computer is a damaged registry. The registry is a place exchange, restore computer information. Damaged files, conflict commends can make your computer overburden. 60% of the PC slow problems are the results of a blocked registry. With no luck, the registry is easy to get corrupted, you have to clean it twice a week at least. If you ignore it, you may face computer error such like blue screen, PC frozen. I even know that part of people never know what is a Windows registry. It doesn’t matter, you can go to this web to get some help. http://www.keep-pc-clean.com/

2 The NO.2 enemy must be malware. Malware is a kinds of software that install on your computer without your permission. It receives too many data, also sent too many information to other computers. This rogue behavior really slow your PC by taking up your computer memory space. Still not have an anti-virus? AVG is the best choice, this free program is given the highly praise.

3 Do you ever think that your computer have too many Programs Loading? Overloading takes away high CPU usage is clear. You many not aware how many programs run under background there are. This kind of programs include spyware, adware, useless applications. You need a anti-virus as well as program uninstaller.

4 This issue is about faulty driver. Its probably you install a program incorrectly, so that the driver damage and go into the registry. Sometime you can deal with this problem by completely removing the program. Sometimes, it wasn’t! Damage effection created by the incompatible is stubborn. We strongly recommend you remove it by cleaning the registry. Of course, Windows restore is the most straightforward way.

5 If your computer seems slower than it used to be, you should Disk Defragmenter. This is easy to do, just right-click any Disk, and then choose Properties. On the General tab, you will see a button showing you Disk cleanup, click it. Disk Defragmenter is a program to increase access speed by rearranging files stored on a disk to occupy contiguous storage locations. The purpose of running Disk cleanup is to optimize harddisk.

6 hardware issue
This is unfortunately, you do not have enough momory. You have to add more RAM in order to support your computer. Why? When you do not have enough memory, the computer starts to use hard drive space as virtual memory, at a fraction of the speed of actual memory. Usually, you need 1GB RAM for Windows XP, 2GB RAM for Windows vista.

Registry is the primary component of any Windows system. So cleaning computers registry is the most efficient way to fix rundll errors. The registry contains settings and information for all software, hardware also preferences on your computer. If you remove a file, install a program or download video, all this can be recorded. Then it is obviously why we diagnose an error by looking into the registry. We can access information from the registry to remove errors from your computer.

In order to get rid of rundll errors, We must first determine the main cause of the error or the reason why it happened again and again.  After a long time used, Windows registry becomes very large as it continually gathers and accrues old, useless, corrupt and other unwanted date. Those records left behind by incomplete installations and removals of programs can damage your registry. Also conflicts that caused by configuration and compatibility issues are harmful.  Most rundll errors are caused by a corrupt registry. since we know the main cause, we can fix rundll error more easy!

Sometimes, a surreptitious malware also can be the causes of rundll errors. Malware contains spyware, Trojan, adware  and virus. Once your computer infected with malwares, they will automatically download harmful files from some virus websites, or sent you spam information. So don’t go to those webs you are not familiar with. Keep opening your fireware to prevent malware install it on your computer. By the way, A good antivirus software can help you eliminate these damaging files.

In order to fix rundll errors that caused by the useless files that reside in your Windows registry after improper software installation or incorrectly program removal, What you should do is to clean these invalid entries by deleting them on your registry. Cleaning your registry is the most fast way to remove them. By downloading and using a PC cleaner, computer users can effectively scan their system and solve rundll errors problem.

To fix the problems, it is recommended that you identify the files that causes the errors. First, run a clean boot on your PC. Then click start on the menu, click run and then input “misconfig”. System config window will show up. Random check one file(you need remember which one), click OK and reboot your PC to see whether the checked file is the cause of your rundll error. Repeat the process until you identify the file which causes the rundll error. Then what you need to do is to uninstall the program  and install a new one.

What does 0×0000007F message indicate?

The Stop 0×0000007F message indicates that one of three kinds of problems below occurred in kernel-mode:

1. Software’s driver error.

2. A condition that the kernel is not allowed to have or intercept (also known as a bound trap).

3. Hardware conflict.

How to fix 0×0000007F error using the easiest way:

Did you added a new hardware recently? The messages are typically due to corrupt, malfunctioning, or failed hardware. If you have done, remove and replace it to see if your computer can work well. Sometimes, the problem can be solved temporary. After a long time, 0×0000007F error will appear again, because your registry is already damaged by the incompatible hardware. Don’t forget to run a diagnostics software to  clean your registry.

Running the CPU beyond the rated specification, known as “overclocking,” can also cause Stop 0×0000007F or other blue screen errors due to hight CPU usage . When diagnosing problems on overclocked systems, first clean malwares to determine if this fixs the issues. The problem might also be due to cracks, scratched traces, or defective components on the motherboard. Fox example, if a CPU fan not works, your CPU usage will go from a constant 100% to 90%. You just have to replace the compose.

Incompatible programs installing can be the reason of the stop 0×0000007F message occurred. Driver contains many dll files. DLL’s are dynamic link libraries which are part of the operating system’s shared library concept. These DLL’s are files that are necessary for certain programs to run or processes to take place. If a DLL is not found or there is a problem with the file, this may cause the BSOD. In this case, you should update your software or reinstall it.

Using a RegTOOL to fix blue screen.
We know, the registry is a database of our computer Any computer information and setting stored in registry. We can easily diagnose the error by scanning your registry. Terrance Willis is a computer technicist who has 10 years experience. He recommend us use RegTOOL or Error fix to fix blue screen errors. You can download at http://www.keep-pc-clean.com/

Blue screen of death, you can refer to  the faulty memory, rate, bad driver, overheating, CPU, fragmentation of the hard disk and a lot more. If you encounter a blue screen error, please write down the error message such as 0×0000000A. It is helpful. Stop messages indicates what happened in your  Windows kernel. With these Stop messages, you can pretty much assume someone else has encountered the problem before you.

And most software and hardware relate to your registry. The registry is the most important compose of Windows operation system. It is a large database which contains all your computer information, setting and so on. With this large database, your computer can run smoothly. Any new system will create a new registry. After a long time, the size of the database will increase with high speed. When ever you install a program, add a hardware or download a file, the registry will record those changing. The computer run slow and slow due to a registry corrupt. Even worse, you will get a blue screen problem, computer freeze problem.

When a Blue Screen of Death occurs, the first thing you can do is to remove a hardware you recently added. If it keep restarting, getting blue screen, you must have hardware issue. Most time, you just add a hardware incompatible hardware. The blue screen will go away after removing it.

Another thing is that your registry will be filled with invalid and useless files causing your computer to slow down or crash. The major thing of Windows system relate to your registry.

If you think your case is similar to the situations above, you can clean the registry with an efficient PC cleaner. Cleaning the registry can remove invalid entries which cause system slowdown, freezing and crashing! Also fix bad driver error causing by a incompatible hardware.

There are many plausible products, you know registry is very important for computer. so you need clean the registry carefully, I suggest you choose a  professional and qualified cleaner like RegTOOL.This would allow you to fix your registry and make your PC’s performance back to the way it was when you bought it. With just a few easy steps, you will find the problems caused by invalid entries.

Of cause, cleaning registry is not omnipotent. Some other hardware and virus, spyware, trojan also can cause blue screen.You should diagnose it according the error message. Recommend you google those stop error message or directly go to Micosoft.com.

With the general knowledge of blue screen fix, we will not at a lose when blue screen occurs.

It is very common you get a Windows error message such as (SVCHOST.EXE - Application Error the Instruction at 0×7c918fea referenced memory)

How to disable those Windows error messages?
How can I repair svchost.exe error?

The following article paragraphs, we will focus on Windows error message diable and fixed.

First, you can manually disable Windows error message. Step by step here.

Click the <Start> button
Click <Run>
Enter the command “services.msc”
Click the <OK> button
Find Messenger in the services list and double-click on it
Change the Startup type to Disabled
Click the <Stop> button
Click the <OK> button

You would like to know why you get Windows error message. Let see why we get a svchost.exe error. Svchost.exe is the name of a process and its associated image for hosting services. These services are contained within dynamically-linked libraries (DLLs). Information about services is stored in the Services registry key (HKLM\SYSTEM\CurrentControlSet\Services).
If your registry get corrupt, some dll files get damage led to your svchost.exe process can not function normally. In our previous article, we have mentioned what is a dll file. In what situation a dll file can be damaged?
There can be many reasons,Program installing, virus, PC shut download improperly, and so on. In order to fix those Windows error messagers, you need a registry cleaner. Cleaning your registry is  usually the most efficient way. Robert Bruce is a computer technical personnel which have worked in the field for ten years. He recommend use RegTOOL and Errorfix to repair most Windows error.

In order to reduce the loss which cause by a spyware, we should learn more of syware and learn how to remove a spyware.

First we learn how a spyware is installed? Spyware is the fastest growing online threat, it can infect a computer with easy. Most time it disguise as a program which is useful. Once you download and install it, you will find that the setup program seems to install but quickly disappeared and nothing happened. A spyware is already installed on your computer. A part of spyware can directly installed on your computer while you are visting a web page, so suggest you do not open a web page you are not familiar with. Spyware is so tricky, it also can sent to you from e-mail.

Suffering from a stubborn adware or spyware on your PC? It must be very frustrated. How can we remove a spyware when our computer was infected?

In response to the emergence of spyware, a small industry has sprung up dealing in anti-spyware software. An anti-spyware can safely scan your system. They have their own database which contain virus feature files which can determine whether a  file is spyware. If they diagnose it as a spyware, they will suggest you delete it. If you still not get an anti-spyware , you can download RegTOOL.

An efficient anti-spyware has the ability to stop spyware and some relate components from running, so that you can delete them with easy. An efficient anti-spyware also have backup function, in case you delete a normal file.

Some spywares are well-marked, you can manually remove it on safe mode.
Open“Start” menu, click Control Panel on the bottom left hand corner of the desktop.

1. Choose Add or Remove option.

2. Then a control Panel window will open providing you with a list programs to operate.

3. From here you can search for the spyware software that was installed onto your computer. Usually their names are whimsical. If you find a program’s name that you have never seen it, It might be a spyware.  You can highlight the program by clicking it once.

4.Then click the “Change or Remove” button, and follow the instructions to remove the spyware from your computer.
Afterwards, it is recommended that the computer be rebooted again in normal mode.

5. Make sure you have stopped relevant components of the spyware from running by disabling it from your task manager , so that you can use add/remove button.

We firstly learn how to remove a usual program!
Step 1. Open“Start” menu, click Control Panel.

Step 2. Choose Add or Remove option.

Step 3. Look for the program you want to uninstall, also remove it.

Step 4. Restart your computer.

If you are running a Windows Vista system, the procedure is also not so difficult.
Click control and it will show you a control Panel window. It is more easy to view your program in classic view, so suggest you check the right pane of the window and click on classic View button. Then the residual steps is similar as in Windows XP system.

Another way to uninstall a program is to simply open“Start” menu and click that program’s uninstall feature to starts an complete process that uninstall all associated files from your computer.

But you may face a problem that Windows show you a message displaying you can’t uninstall a program when you remove it. Why? There are two major causes. One is due to a corrupt install file damage into your registry or it just a faulty uninstaller. Another cause is attributed to a malicious program.

An software exchanges information with your computer through a driver. Incorrect installing will leave corrupt DLL errors in your system. And you know DLL is a kind of sharing file, It contain many data and codes which can be shared by several applications at one time. It simplify Windows system but also cause many errors. When a DLL belongs to a program  is used by other application, you will not allow to remove the program. If you add a stuff incorrectlly, the driver will generate unnecessary DLL files which cause DLL error, blue screen. To uninstall it completely, you can run a registry cleaner.  Cleaning up the Windows registry is usually the most effective solution, because the majority of computer problems are related to the registry.

Spyware, adware, virus all can be a reason that your program can not be removed. Once your files is infected, the malware will occupy the component of the file. Whenever the malware working, the component also force to run. In this case, many unknown applications loaded itself without your permission when you open task manager. your computer become slower and slower. You can’t delete a program which are shared by a virus.

You should disable all the services associated with the program.

RegTOOL is one of the best choice, but also you can clean registry manually.
1. Click start.

2. Click “Run”

3. Type command  “msconfig.exe”

4. In the “system configuration utility”,click “service”

5. Disable all exe files associated with the program you wish to uninstall.

6. Reboot your computer.

Now, you can try it yourself. Using this way to remove unwanted program!