prevent opening new window every time
Hello, I have been using Firefox for years without problems, but recently this came about out of the blue: for every action typed into the window, be it a search string or URL, or even about:config, Firefox opens a new window.
I didn't tweak any configuration options, it's not any of the extensions (removed those) nor a theme (using default). Also, this https://support.mozilla.org/en-US/questions/1293906 was not useful.
This is an extremely annoying issue. Please help.
Chosen solution
For reasons unbeknownst to me, Enter was behaving as Shift+Enter (the problem appeared seemingly only in Firefox). Traced the problem back in time to a presumably incorrect customization of my keyboard mapping. Sort-of fixed the xmodmap issue, and the Firefox "anomaly" went away. It was a case of PEBKAC. Sorry for troubling, and thanks for taking time to respond.
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You can try Firefox from the official Mozilla server if you currently use a version from the repositories of your Linux distribution to see if it behaves differently.
You can create a new profile as a quick test to see if your current profile is causing the problem.
See "Creating a profile":
If the new profile works then you can transfer files from a previously used profile to the new profile, but be cautious not to copy corrupted files to avoid carrying over problems.
Chosen Solution
For reasons unbeknownst to me, Enter was behaving as Shift+Enter (the problem appeared seemingly only in Firefox). Traced the problem back in time to a presumably incorrect customization of my keyboard mapping. Sort-of fixed the xmodmap issue, and the Firefox "anomaly" went away. It was a case of PEBKAC. Sorry for troubling, and thanks for taking time to respond.