When running Windows 7 x64 on a GPD P2Max handbook computer. Right clicking on anything in a Firefox browser page of YouTube videos and sidebar links.
Resulted in a Blank White or Hollow Blank Black box about the size of a Context menu. It cannot be cancelled or removed and eventually the entire Browser crashes. Any currently playifeatureng videos continue to play but all other browser controls are unresponsive. A popup dialog box appears after crashing asking what to do close browser?
Solution: Disable the Firefox Hardware Acceleration feature.
Tools menu > Settings
Use the Find Search box .. type Hardware
Under Performance "expand" and uncheck