How to fix "Couldn't allocate memory for the disk cache..." error in Pro Tools

Learn how to fix "Couldn&allocate memory for the disk cache. Try lowering your disk buffer (DAE Buffer), disk cache size or engine voice count. If you got this error on launch, try delete your prefs and and try again. (-9514)" while launching Pro Tools in Windows 7/8/10. Note: Please TURN ON CAPTIONS for instructions.