Word issue - scroll bar glitch while dragging, dropdown menus in Account glitching and can't select

RickyGeeDee123 Hi, I will assist you to solve the problem, please kindly follow step by step instructions:

1. Update Graphics Driver
   1. Right click on start menu
   2. selected Device manager
   3. selected Display adapter
   4. selected the appeared graphics card name
   5. click on it and selected uninstalled 
   6. Note: Don't panic your screen will go blackout for 5 seconds and come back
   7. Check if problem solve or not by opening word
   8. If not please move to method No.2
2. Disable Hardware Acceleration (Registry Edit):
   1. Close all Office apps.
   2. Press Win+R to open the Registry Editor.
   3. Navigate to: HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\
   4. If you don’t see a folder named “Graphics,” create it.
   5. Inside the “Graphics” folder, create a DWORD (32-bit) value named DisableHardwareAcceleration and set its value to 1.
   6.  Restart Pc
   7.  Reopen your Office apps and check if the issue persists.

Thank you If any problem still then reply to me