why does "open in new tab" function, open in both new tab, and the current window ?
Right click on something, select "open in a new tab" As well as opening in a new tab, quite frequently the current window is overlayed with the same thing.
Right click on something, select "open in a new tab" As well as opening in a new tab, quite frequently the current window is overlayed with the same thing.
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Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.
- Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
- Do NOT click the Reset button on the Safe Mode start window
- https://support.mozilla.org/kb/Safe+Mode
- https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
There are other things that need your attention.
Your System Details List shows multiple Flash plugins.
- Shockwave Flash 14.0 r0
- Shockwave Flash 11.7 r700
You can find the installation path of all plugins on the about:plugins page.
You can check the Flash player installation folder for multiple Flash player plugins and remove older version(s) of the plugin (NPSWF32) and possibly (re)install the latest Flash player.
- (32 bit Windows) C:\Windows\System32\Macromed\Flash\
- (64 bit Windows) C:\Windows\SysWOW64\Macromed\Flash\