Some of the Menu Bar icons (under File, Edit, View etc) are turned Black!
The dropdown menus of Fle, Edit, View etc have some items which are black. I have an updated antivirus running, which detected no virus after a full scan.
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This can indicate an incompatibility between Firefox and your graphics card driver. Could you try disabling Firefox's use of hardware acceleration for graphics?
You usually need to restart Firefox in order for this to take effect, so save all work first (e.g., mail you are composing, online documents you're editing, etc.).
orange Firefox button (or Tools menu) > Options > Advanced
On the "General" mini-tab, uncheck the box for "Use hardware acceleration when available"
If you restart Firefox, is the issue resolved (or at least improved)?
You can use one of these to start Firefox in Safe Mode:
- On Windows, hold down the Shift key while starting Firefox with a double-click on the Firefox desktop shortcut
- On Mac, hold down the Options key while starting Firefox
- Help > Restart with Add-ons Disabled