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Solve : Cannot Install Programs-Says Installation already in progress?

Answer»

Whenever I try to install or uninstall a program a message pops up saying an INSTALLATION is already in progress. This has been happening for the last couple weeks. The computer has been turned off and on/restarted many times in this period and from what I can tell there are no installations in progress. Any help on this issue would be greatly appreciated!What is the EXACT message?The exact message is: "Another installation is in progress. You must complete that installation before continuing this one."

I have since found a solution though, thanks for replying though!Please download SystemLook from one of the links below and save it to your Desktop.
Download Mirror #1
Download Mirror #2

  • Double-click SystemLook.exe to run it.
  • Vista users:: RIGHT click on SystemLook.exe, click Run As Administrator
  • Copy the content of the following BOX into the main textfield:
Code: [Select]:reg
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\InProgress
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer
  • Click the Look button to START the scan.
  • When finished, a notepad window will open with the results of the scan. Please post this log in your next reply.
Note: The log can also be found on your Desktop entitled SystemLook.txt
Thanks for the reply, but as said in the previous post my solution has already been solved elsewhere. I solved it by doing a "clean boot". After the clean boot I restarted with a regular boot and all installations worked FINE; some program must have been interfering beforehand.

Once again, thanks for your reply though!Oh, OK


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