Use Ctrl+Alt+
***NOTE*** Be mindful of whether this is a fresh install or an upgrade. If it is an upgrade be sure to gather the .QBK file before removal of anything.
After removal, REBOOT Windows.
Once Windows is up and running again, go to the command prompt (DOS) and have the customer type the following:
msiexec /unregister
msiexec /regserver
To access the command prompt: (start > run > cmd or start > all programs > accessories > command prompt)
***NOTE*** They won’t see anything happen on the screen. This is good. If they see an error or anything else, have them retype it.
Try the install again making sure the Anti Virus and the Firewall’s are off.