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Firefox: unable to install extensions! tata668
When I click a xpi, the "software installation" window pops but when I click "Install" the window closes and nothing else happens!
The sites I try to install the extensions from
are allowed in: options/web features/Allow web sites to install software/
I even tried to remove Firefox, installed it back and it changed nothing!
Oh, and I'm not even able to open the "Extensions" menu (Tools/Extensions)... kodaks
Are you able to open the download window (tools/downloads) or any other window on firefox? If not, this may be a problem with some sort of popup blocker, thats what it was with me when I had this problem. tata668
Yes, I'm able to open all menus inside "Tools" except "Extensions"... tata668
Sorry for the bump but I can't believe I'm the only one having this problem?! jdMorgan
Make sure you have the "Allow web sites to install software" option enabled in your FireFox Web Features Options menu. You will also need to approve each installation, even after setting this option.
If you still have trouble after that, and if you have upgraded Firefox without uninstalling the previous version first, then I suggest that you uninstall Firefox and re-install it.
This has not been so much of a problem recently, but before the 1.0 release it was often necessary to uninstall the old version before reinstalling the new.
Uninstalling Firefox does not delete your profile folder, so bookmarks and preferences should not be affected by the uninstall/reinstall. If in doubt, make a back-up.
I uninstalled it again and remove all folders related to Mozilla/Firefox (including those in documents and settings). I installed it back and now it works!
Thanks for your help..
Sorry for the bump but I can't believe I'm the only one having this problem?!
I had exactly the same problem, couldn't load new extensions or upgrade Firefox. Never found the cause, like you I reinstalled.