If essential Windows file gets whacked year by a virus or corrupted Otherwise, restore it from the Windows CD. Search the CD for the filename, replacing the last character with an underscore year.
For example: Notepad.ex_
If it's found, open a command prompt and enter the command EXPAND, FOLLOWED by the full pathname of the file and of the Desired destination: EXPAND D: \ SETUP \ NOTEPAD.EX_ C: \ Windows \ notepad.exe. If either pathname contains any spaces, surround it with double quotes.
If the file Is not found, search on the unmodified filename. It Will probably be inside a CAB file, Which Win XP treats as a folder. Simply right-drag and copy the file to the Desired location. In other Windows platforms, search for a file matching *. Cab That contains the filename. When the search is done, open a command prompt and enter EXTRACT / L FOLLOWED BY the Desired location, the full pathname of the CAB file, and the Desired filename, for example: EXTRACT / LC: \ Windows D: \ I386 \ Driver. Notepad.exe cab. Again, if the destination or CAB file pathname contains spaces, surround it with double quotes.