Win7 can't open task manager? Experts can easily get it

Windows 7 Task Manager, through which you can see which programs are running on the system. It is easy to find some uninvited guests who occupy system resources. Windows 7's Task Manager integrates more feature options on top of the previous ones, making it easier to identify whether a process is useful. Then, if Windows7 can't open the task manager, what are the symptoms? What should I do at this time?

The specific symptoms are as follows:

Set the task manager with regedit or Gpedit.msc The method is invalid. Copying the new taskmgr.exe to system32.dllcache is also invalid. It is also the same in safe mode. The Windows 7 CD repair installation is invalid, and the next manager on the Internet is useless.

In fact, as long as this can be a normal exe file, rename it to taskmgr.exe, it will become this phenomenon, as long as taskmgr.exe changed the name abc.exe can run However, changing another file such as notepad.exe to taskmgr.exe will not work.

This is a typical image hijacking. The principle is that the Trojan virus has image hijacking, and many executable programs are mapped to the ntsd.exe file, so it cannot be opened. ntsd.exe is included with the Windows system. The debug command should be terminated by the virus after the virus is called. This command terminates the process. The solution is very simple, open the registry editor, then navigate to hkey_local_machineSOftwareMicrosoftWindows NTCurrentVersionImage File Execution Options, then clear all the items under Image File Execution Options and then solve the problem by downloading the latest killing and killing Trojan.