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Firefox update v99.0 made me have to uninstall and reinstall v97.0.2 Win 7 Pro

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Update 99.0 made my firefox unusable-It would operate for a few seconds to a minute and then stop responding and would stop immediately if adding an extension or signing in to my profile-mouse still moves but can't get any response clicking on anything, even closing the program-had to repeatedly close using the task manager. Cleared using the firefox reset command did not fix. Uninstalled then reinstalled 99.0 and the behaviour resumed. Uninstalled and reinstalled 97.0.2 and is working fine. What's up?????????????????????????

Update 99.0 made my firefox unusable-It would operate for a few seconds to a minute and then stop responding and would stop immediately if adding an extension or signing in to my profile-mouse still moves but can't get any response clicking on anything, even closing the program-had to repeatedly close using the task manager. Cleared using the firefox reset command did not fix. Uninstalled then reinstalled 99.0 and the behaviour resumed. Uninstalled and reinstalled 97.0.2 and is working fine. What's up?????????????????????????

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I don't know about crashes or anything else discussed here and my only conclusion is this: Number 1, I'm not working on a computer but an Android phone. So part of my ankst is Navigation, and the other part doesn't complete the password recovery on the way to creating a new account password.