How to fix infected userinit.exe and related errors?

This tutorial is on removing the virus infected userinit.exe on windows.Earlier we covered a tutorial on removing the infected windows system32 file and also fix the System32.exe not found error.

First, disable system restore before you start fixing this error. Run an antivirus scan on c drive by free downloading avast or downloading AVG 8.0 antivirus programs. Alternatively, you can scan the following folders to remove the infected userinit.exe.

  • C:\Windows\
  • C:\Windows\System32
  • C:\Windows\System32\System32.exe
  • C:\windows\system32\dllcache\win32\winlogon.exe
  • C:\windows\system32\dllcache\win32\csrss.exe

Now fix the windows registry with the following steps.

  • Click Start >> Run, to open the Run dialog box
  • Here, type regedit to open the registry
  • Navigate to the following registry key – HKEY_LOCAL_MACHINE >> SOFTWARE >> Microsoft >> Windows NT >> CurrentVersion >> Winlogon
  • On the right hand window pane, look for Userinit.
  • Right click on Userinit
  • select modify
  • Delete the existing value and enter “C:\Windows\System32\userinit.exe,” (without double quotes and with a trailing comma)
  • Make sure that Userinit.exe file is actually present in the System32 folder of windows installation in C drive
  • Reboot your computer

You can then run one of the free windows registry cleaners including Eusing Registry cleaner.

To improve the performance of your PC, you can carry out the following addtional registry edit:

  • Click Start >> Run, to open the Run dialog box
  • Here, type regedit to open the registry
  • Navigate to the following registry key – HKEY_CURRENT_USER >> SOFTWARE >> Microsoft >> Windows NT >> CurrentVersion >> Winlogon
  • On the right hand window pane, Right click and Select New >> String Value
  • Rename it as “Userinit” (without the quotes)
  • Right click on your new registry string and select Modify
  • Enter “C:\Windows\System32\userinit.exe,” (without double quotes and with a trailing comma)
  • Reboot your computer

That is all folks.

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