Drop down menu disappears when you try to scroll down
After latest firefox update problems started. Some sites including my own have a problem with the navigation bar. Drop down menu disappears when you scroll down. Same sites work properly on other browsers.
Alle antwurden (1)
Try to disable hardware acceleration.
- Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"
- https://hacks.mozilla.org/2010/09/hardware-acceleration/
If disabling hardware acceleration works then check if there is an update available for your graphics display driver.