Another installation is in progress. You must complete that installation before continuing this one

I have a Laptop running Vista Home premium 32 bit and keep getting this message when i try to load a new program There is another installation occuring, please finish the existing before continuing.

For some reason the Windows Installer function has become confused, probably by an incomplete installation of another program.

The first thing to do is check your Add/Remove programs function and remove any programs you aren’t using or are giving you problems. If you have the replacement disks, then removing and reinstalling Microsoft Office is a good idea.

If that doesn’t work, then downloading and running the Windows Installer CleanUp Utility may well fix the problem. Note that while Microsoft discuss Office in the linked article, the clean up utility works for all programs.

After running the installer clean up, you may want to clean up your hard drive to flush out any left over nasties before attempting to install the new software.

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