Using Toolbar restore button killed uBlock Origin . Why will it not reinstall after two extension installs?
Let the user know that you folks really do something to fix problems. Have to resort to Edge till this problem is settled or either a complete re-install which is about the fifth time in as much as one year.
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What do you mean by 'killed uBlock Origin?'
Please explain the problem in detail. What happens? What is/are the exact error message(s) ?
You can try to clear the startup cache via the "Help -> More Troubleshooting Information" (about:support) page.
You can check for problems with the extensions registry files in the profile folder.
Try to to reset the extensions registry and rename extensions.json (extensionsOLD.json) and rename/remove compatibility.ini in the Firefox profile folder with Firefox closed.
New files will be created when required.
See "corrupt extension files":
You can check for possible updates in case of issues.
- click the cogwheel (left of the Search bar) on the about:addons page to "Check for updates"
You can use the button on the "Help -> More Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page (Root directory).
- Help -> More Troubleshooting Information -> Profile Folder/Directory:
Windows: Open Folder; Linux: Open Directory; Mac: Show in Finder