I came across a Windows XP computer that was missing its taskbar. Upon further investigation I found out that many other things were not working right either. When I opened the management console, there were several services that would not start. I would get “access denied” error messages when attempting to start them manually and when I viewed the service dependencies I got the error message “Win32: Access is denied”. Since the sound was not working I also attempted to pull up the properties of the sound card driver, and nothing happened when I double-clicked the driver. Also on the management console, the buttons for the disk derangementer did nothing.

Here is how to fix all these problems in Windows XP; perform these steps in this order to save time:

  • Using the Dial-a-Fix program, check every box except the ones under the Prep group and except for the Explorer/IE/OE/shell/WMP button. Then start that repair process. This may take some time.
  • While that is running, you can clean up temporary files to help any antimalware scan later. You can also check for the TDSS rootkit using  TDSSKiller.
  • After Dial-a-Fix finishes what it was doing, click the hammer icon to bring up more options.
  • First, scroll to the bottom of the list and choose Reset WMI/WBEM. If that gives an error, then choose Reinstall WMI/WBEM and after that finishes try again to reset.
  • After that finishes, choose all of the Reinstall options except Reinstall options except Reinstall WMI/WBEM.
  • After that finishes, choose Repair permissions.
  • While waiting for that, open a command prompt and run the System File Checker: sfc /scannow.
  • When all that is finished, then open the management console and then find the Remote Procedure Call (RPC) service. Open its properties and click the Logon tab. Make sure the service is set to log on Local System account. (Please note: the default setting is to not be logged in as Local System account.)
  • Reboot.
  • After Windows comes back, you it would be a good idea to scan for viruses and malware.