udpated firefox won't install on Mac 10.7.5. Error message is "The operation can’t be completed because the item “libnspr4.dylib” is in use. Can't find file
I tried downloading the update first - and it would not install. So I downloaded the entire new firefox version and tried to install - then got the following error: The operation can’t be completed because the item “libnspr4.dylib” is in use.
Can't find that file anywhere on my computer and no other programs were running when I tried to install. Now my old firefox is gone, and the new one is not properly installed and won't load.
All Replies (2)
Certain Firefox problems can be solved by performing a Clean reinstall. This means you remove Firefox program files and then reinstall Firefox. Please follow these steps:
Note: You might want to print these steps or view them in another browser.
- Download the latest Desktop version of Firefox from http://www.mozilla.org and save the setup file to your computer.
- After the download finishes, close all Firefox windows (click Exit from the Firefox or File menu).
- Delete the Firefox installation folder, which is located in one of these locations, by default:
- Windows:
- C:\Program Files\Mozilla Firefox
- C:\Program Files (x86)\Mozilla Firefox
- Mac: Delete Firefox from the Applications folder.
- Linux: If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it - see Install Firefox on Linux. If you downloaded and installed the binary package from the Firefox download page, simply remove the folder firefox in your home directory.
- Windows:
- Now, go ahead and reinstall Firefox:
- Double-click the downloaded installation file and go through the steps of the installation wizard.
- Once the wizard is finished, choose to directly open Firefox after clicking the Finish button.
Please report back to see if this helped you!
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