My Bookmarks menu keeps disappearing
The Bookmarks Menus show as checked but the menu itself is hidden by the window below.
Wšykne wótegrona (2)
Please provide a screenshot of that problem.
https://support.mozilla.org/en-US/kb/how-do-i-create-screenshot-my-problem
It is best to use a compressed image type like PNG or JPG to save the screenshot and make sure that you do not exceed a maximum file size of 1 MB.
Then use the Browse .... button below the Post a Reply text box to upload the screenshot.
You can try to disable hardware acceleration in Firefox.
- Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"
You need to close and restart Firefox after toggling this setting.