How to fix Windows 7 failure to open Task Manager fault

The registry, the task manager can't open or the hard disk is occupied without any reason. After killing the Trojan with killing software, only the task manager can't open it. The phenomenon is not that the appearance of the pop-up manager will disappear immediately. But the mouse only flashes gently and nothing happens. The specific symptoms are as follows: The method of setting the task manager with regedit or Gpedit.msc is invalid, copying the new taskmgr.exe to system32.dllcache is also invalid, safe mode The same is the same, Windows
7 CD repair installation is invalid, the next manager on the Internet is useless.

In fact, as long as a normal exe file can be run, renamed to taskmgr.exe, it will become this phenomenon, as long as taskmgr.exe changed its name abc .exe can be run, but 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 It is the debugging command that comes with the Windows system. It should be the virus that is called by the virus to terminate the process. The solution is very simple, open the registry editor, navigate to hkey_local_machine\\SOftware\\Microsoft\\Windows NT\\CurrentVersion\\Image File Execution Options, then clear all the items under Image File Execution Options and then download the latest killing soft killing Trojan Can solve the problem.