"No reagent" receive when closing a tab.

I already did some troubleshooting as browser was slow. I have reset the defaults and most operations are best. However, when a TAB is closed the screen turns white and title bar displays "no answer." Clicking X a couple of times, there is complete closure. Is there something unique about this operation which don't have no other crashes? Thank you very much.

Start Firefox in Safe Mode to check if one of the extensions (Firefox/Firefox/tools > Modules > Extensions) or if hardware acceleration is the cause of the problem (switch to the DEFAULT theme: Firefox/Firefox/tools > Modules > appearance).

  • Do NOT click on the reset button on the startup window Mode without failure.

You can check for problems with the sessionstore.js and sessionstore.bak files in the profile folder of Firefox that store session data.

Delete the sessionstore.js file possible sessionstore-# .js files with a number and sessionstore.bak in the Firefox profile folder.

Delete sessionstore.js will cause App Tabs and groups of tabs open and closed tabs (back) to get lost and you will have to re-create them (take note or bookmarks if possible).

Tags: Firefox

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