> I've searched Microsoft, the web and groups but can't find this same
> problem (similar, but not the same) with a solution, so I'll try here
> to see if I have better luck.
>
> Within the last two weeks whenever I double click to open a file in
> Windows Explorer, Windows Installer launches and tries to install
> Contribute 3. I have not recently installed Contribute or performed
> any other software installations or updates other than Firefox. I have
> not done any recent MS auto updates either. It first began when
> clicking excel files, but now is happening with other MS files types
> and plain text files.
>
> I have to keep trying to cancel to get the dialog box to disappear.
> One click won't do it. It just keeps tying to install.
>
> Any suggestions will be appreciated!

>
> Check whether Contribute is seen in Add/Remove Programs. If so,
> uninstall from there. If not, first backup your registry. Then open
> regedit and go to edit/find. Enter Contribute (or Adobe if nothing is
> subsequently found) and delete every key LHS) and/or every value
> included within a key (RHS) that is found to contain Contribute. Reboot
> your PC.