1. Click Start, click Run, type cmd.exe, and then click OK.
2. At the command prompt, type cd %SystemRoot%\system32\dxxpdbg, and then press ENTER. Note In this command, %SystemRoot% represents the folder that contains the operating system files.
3. At the command prompt, type dxxpunp.exe, and then press ENTER.
4. At the command prompt, type exit, and then press ENTER to close the command prompt.