Computer boot prompt can not find: C:\windows\system32\rundll32.exe file Problem Solving method

What file is Rundll32.exe?

Rundll32.exe is used to run DLL files in memory and they are used in applications. This program is very important for the normal operation of your system. Note: Rundl132.exe and rundll32.exe are similar. But Rundl132.exe is a W32.Miroot.Worm virus. The virus allows attackers to access your computer, steal passwords and personal data. The recommendation for this file is to delete immediately

Failure phenomenon:

When the computer turned on, the display could not be found: C:\windows\system32\rundll32.exe file, also downloaded a new Rundll32 file, but can not replace the original file.

Solution:

Put the Windows XP installation CD in the CD drive

Run cmd, and then run the following command in the DOS window:

Expand optical Drive Letter: \i386\rundll32.ex_%systemroot%\rundll32.exe,

Then reboot the computer to successfully fix the Rundll32.exe

OK, this is fixed, because this file is a key file so it must be fixed so that it can not be directly replaced OH.