To locate instances of googleupdate, search all local fixed drives for googleupd or googleupd* (depending on the search utility, the * wildcard may be required. Note that it is not required for the Windows search feature in Windows Explorer). Make copies of any files found, noting their original location. Depending on the OS, some or all of the following may be found: Google Update (Task Scheduler Object) Googleupdate.exe (Application) (two or more locations) GoogleUpdateHelper.msi (Windows Installer Package) You should be able to delete the Google Update Task Scheduler Object and the GoogleUpdateHelper.msi with no problem. However, to delete googleupdate.exe, you'll first need to launch Task Manager, locate the running Google Update process, and stop it. After doing that, you should be able to delete Googleupdate.exe. In other cases, GoogleUpdate may be installed as a service, in which case you will need to first stop the service before attempting to delete the file. Next, open the Registry Editor ...