You can right-click each shortcut and check the shortcut properties, to see the program location. One Firefox program installation may be launched by clicking Firefox in your start menu, and a different installation version launched with the desktop shortcut. When you downgrade Firefox and use a new profile, any profile that was used in the higher version is still available in the Profile Manager, for use in a more recent version of Firefox.Įven though you said you uninstalled and reinstalled Firefox, you may still have a second installation of an older version. If you try to launch a Firefox installation with a profile that was last used in a more recent version, you'll see a warning that using an older version of Firefox can corrupt profile data such as bookmarks and browsing history:Ĭlick the button to start Firefox with a new profile. See Dedicated profiles per Firefox installation under What happens to my profile if I downgrade to a previous version of Firefox?. This can happen when you downgrade Firefox or if you have two different installations of Firefox, each associated with its own profile. You may be trying to start an older version of Firefox with a profile that is associated with a newer version. I even uninstalled, cleared out the data in AppData\Roaming\Mozilla (plus Local and LocalLow), and reinstalled.Īs I said, this has happened a few times over the last week (3 or 4?) and is starting to get annoying now! But of course all cookies have been deleted, so I have to login to websites again.įirefox is up-to-date (84.0.1, 64-bit) and running on Windows 10 Enterprise. Luckily I use Sync, so my many bookmarks are backed up. When I relaunched Firefox, I got the above error message. The existing window was fine, so I closed that but had to kill Firefox in Task Manager. The new window showed my homepage (blank tab) but was unresponsive: I couldn't type into the address bar, click a bookmark, or even close the window. I haven't yet spotted a pattern, but the most recent time it happened, I had the browser already open and either opened a new window or clicked Firefox in my start menu. To protect your information, create a new profile for this installation of Firefox." Using an older version of Firefox can corrupt bookmarks and browsing history already saved to an existing Firefox profile. "You've launched an older version of Firefox. Over the past week I've had this error popup a few times when Firefox is launched:
0 kommentar(er)
