"undefined" dialog box appears
when i right click on something, mainly to copy and paste an annoying dialog box stating "undefined" appears. I click ok to dismiss the warning or whatever that is, then I right click or ctr c again, the same box pops up again this time thankfully with an option that says "do not show this again" or something to that effect. How can I get rid of that?
I managed to recreate it, however now its displaying something in Russian, I can only assume its the same message. It should be english.
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This issue can be caused by an extension that isn't working properly.
Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration is is causing the problem.
- switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Appearance
- do NOT click the "Refresh Firefox" button on the Safe Mode start window