User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8b2) Gecko/20050621 Firefox/1.0+ Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8b2) Gecko/20050621 Firefox/1.0+ When clicking on the Options button while selecting an extension that was disabled due to version incompatibilty the extension manager window stops responding. The Deer Park window is not affected. Reproducible: Always Steps to Reproduce: 1. Install a 1.0.x-only compatible extension (i.e Greasemonkey 0.3.3) 2. Upgrade to 1.0+. Said extension will be auto disabled. 3. Open extensions manager, select the disabled extension, and click Options. Actual Results: The Extension Manager freezes. Expected Results: Inform the user that the extension has been disabled, or do nothing at all.
This was a recent regreession and was fixed by bug 298186 which landed on the same day as the build you are using. Try a current nightly build and if it is fixed please close this bug as works for me.