On Monday, 16 September 2019 17:55:45 BST Daniel Pielmeier wrote: > On my system firefox started fine for the first time after the update > but I was only able to get it running in safe mode for subsequent starts. > > As the error message indicates as well as the fact that firefox is > starting fine in safe mode it is highly likely a problem with one or > more addons.
Yes, I came to the same conclusion. A production machine has a million addons on it and I would run into trouble if I were to disable them all. My laptop on the other hand only had uBlock Origin on it. I disabled it and uninstalled it, but it made no difference. > In this case there is the option to refresh firefox but here you loose > all settings for firefox and the addons. I didn't want to lose my settings & bookmarks. So I stopped myself from pressing the reset button. :-) > What fixed the issue for me was deleting the files addons.json and > addonStartup.json.lz4. As well as addons.sqlite which is superseded by > addons.json anyway. > > After this firefox started fine. Having had problems with addons before > I knew deleting this files is somewhat safe. At least there weren't any > apparent problems afterwards. Bonus is you keep all your settings for > firefox and the addons. YES! This seems to have done it. Interestingly, I didn't find an addons.sqlite file to remove, but having removed the other two my FF is back in action. > However I can't guarantee this works for everybody so create a backup of > your firefox profile before. Thanks Daniel, your advice worked in my case. I'll try now to sort out the rest of the PCs. -- Regards, Mick
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