Symptom:
QuickBooks windows suddenly appear in "black & white" and every other line is unreadable. Display issue only appears in QuickBooks windows.

Issue:
Possible corruption of DLL files in QuickBooks install directory.

Solution:
  • Close QuickBooks completely (may need to force quit QBwin32.exe)
  • Run the reboot.bat file as Administrator - C:\Program Files (x86)\Intuit\QuickBooks 2016\reboot.bat
  • Restart the computer

Intuit Article: https://community.intuit.com/articles/1020369-run-reboot-bat