Compatibility mode
Did you try to install it in compatibility mode & run the program in compatibility mode as well?
Compared to other web browsers Mozilla Firefox is fast loading, taking less CPU and processing load. Good compatibility of addons and less crashing or hanging problems.
Damage
Virtual real mode
Right Click > Properties.
You can't do this, it's integrated into Firefox.
You can't save a file in compatibility mode because this feature is designed to ensure that newer software versions can read and work with files created in older versions. When a file is saved in compatibility mode, it restricts certain advanced features that are available in the newer version to maintain compatibility. This means that while you can open and edit the file, saving it in that mode limits the file's functionality and some features may not be supported. Consequently, saving in compatibility mode typically applies to the file's original format rather than creating a new version.
this is a very extreme version of thatsafe mode will make it start blank (new session) every time +disable lots of garbage.WindowsThis should not be confused with restarting the computer in Windows Safe Mode!Use the "Mozilla Firefox (Safe Mode)", "Mozilla Thunderbird (Safe Mode)", or "Mozilla Thunderbird (No Extensions)" shortcut in the Mozilla Firefox or Mozilla Thunderbird program folder on the Windows Start Menu. If this shortcut is missing, you can start in Safe Mode by selecting "Start -> Run" (on Windows Vista, use "Start Search" or enable the Run box, as described here) and entering,For Firefox, one of these:firefox -safe-mode"C:\Program Files\Mozilla Firefox\firefox.exe" -safe-modeFor Thunderbird, one of these:thunderbird -safe-mode"C:\Program Files\Mozilla Thunderbird\thunderbird.exe" -safe-modeAdjust the path accordingly, if you installed your Mozilla program in a different location than shown above.LinuxOn Linux, you can go to your Terminal and run (for Firefox): /path/to/firefox/firefox -safe-modeMac OS XOn Mac OS X, go to Utilities (in the Applications folder) and open Terminal, then run (for Firefox): /Applications/Firefox.app/Contents/MacOS/firefox-bin -safe-modeAnd for Thunderbird, this is the line to run in Terminal:/Applications/Thunderbird.app/Contents/MacOS/thunderbird-bin -safe-modeIf you have installed the application to another location, modify the path as such. It's the "-safe-mode" command line parameter that's crucial here.
it will if you use compatibility mode
Compatibility mode
Compatibility mode