MS Removal Tool is a rogue software. It restricts you from accessing your desktop. You cannot start Task Manager, and you cannot open Internet Explorer or any other programs. This situation is the result of malware (a variant of Win32/Winwebsec) that is infecting your computer.

To remove the MS Removal Tool, follow the steps below:

  • Boot your computer into Safe Mode.

    Windows XP and Windows Vista:
  • Start your computer and press and hold the F8 key.
  • A Windows Advanced Options menu will appear. Use your arrow keys to scroll to Safe Mode and click the Enter key.
  • Click the Start button, and then click Run.
  • Type cmd then click OK. A black command prompt window will appear.
  • Locate the affected directories:

    Windows XP:
  • Type cd c:\Documents and Settings\All Users\Application Data\ and press the Enter key.
  • Type dir and press the Enter key.

    Windows Vista:
  • Type cd c:\ProgramData\ and press the Enter key.
  • Type dir and press the Enter key.
  • Type c:\Users\All Users\ and press the Enter key.
  • Type dir and press the Enter key.
  • Scroll through the list to find directories with random names that contains 18 characters. For example: cHl08200gMhHd08200 , pJg08200fBmPl08200.
  • Type rd /s /q <random name>, and then press the Enter key. Replace <random name> with the 18 character name. Repeat this step for each random name you find.
  • Type reg delete hkcu\software\microsoft\windows\currentversion\run once /v <random name> /f, and then press the Enter key. Replace <random name> with the 18 character name. Repeat this step for each random name you find.
  • Reboot your computer.




More information at KB2540100.