Since installing Firefox 4 I cannot install addons - help needed with new browser please
Have tried to install add-ons, and whilst they appear to have installed nothing is added to the tools add-ons button.
Have tried to install add-ons, and whilst they appear to have installed nothing is added to the tools add-ons button.
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This can be caused if one of the files that stores details of installed extensions is corrupt.
- Open your profile folder, for details of how to find it see https://support.mozilla.com/kb/Profiles
- Close Firefox
- Delete the following files if they exist, extensions.cache, extensions.rdf, extensions.ini and extensions.sqlite
- Re-start Firefox, it will then rebuild the list on installed extensions