How to disable or remove Add-ons in Mozilla Firefox Windows 7
Description: If an add-on is preventing Mozilla Firefox from opening follow these steps to disable it.
Make sure Firefox is completely closed before starting this. Restarting your computer will ensure it is closed.
- Click Start.
- Click Computer.
- Click through the folders - C:\Users\[Your Username]\
- Click within the address bar to edit it.
- Add AppData to the end then press Enter.
- From there click through the folders - Roaming\Mozilla\Firefox\Profiles\
- Open the only folder inside of the Profiles folder, scroll down until you see addons.json.
- Delete addons.json, addons.sqlite and addons.sqlite-journal.
- Next time you open Firefox the add-ons will not be loaded and will ask you to reload them. Do not enable the corrupted add-on.
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