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Why does Firefox v19 always check for add-on compatibility when starting up?

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Why does Firefox v19 always check for add-on compatibility when starting up?

Whenever I start Firefox v19 a dialog box opens stating Firefox is checking for add-on compatibility. After a short time Firefox opens with my homepage on the 2nd tab and a Firefox welcome page stating my add-ons are all up to date. I've made sure all my add-ons and plugins are up to date, but I keep getting the same behavior.

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Site Moderator

Re: Why does Firefox v19 always check for add-on compatibility when starting up?

hello, go to firefox > help > troubleshooting information, click on profile folder/show folder and close all firefox windows afterwards. a windows explorer window should open up - in there delete the file named user.js.

for more information see Firefox says it's just updated every time it starts - how to fix

3 REPLIES
Site Moderator

Re: Why does Firefox v19 always check for add-on compatibility when starting up?

hello, go to firefox > help > troubleshooting information, click on profile folder/show folder and close all firefox windows afterwards. a windows explorer window should open up - in there delete the file named user.js.

for more information see Firefox says it's just updated every time it starts - how to fix

New Contributor

Re: Why does Firefox v19 always check for add-on compatibility when starting up?

Many thanks, madperson, that worked!

New Contributor

Re: Why does Firefox v19 always check for add-on compatibility when starting up?

Despite what the answers to a bunch of other questions say, this worked for me:

Delete the compatibility.ini in the profile folder.