Error Massage 0xFFFFFFFFFFFFFFFF

Hi everybody

I use Pro Tools everyday in my studio, but in the last upgrade PT 11.3 to
PT 12.3.0
I got it a bunch of errors msgs like those

Paste:
Access violation occurred, unable to read location: 0xFFFFFFFFFFFFFFFF

I Click "Ok" or "Copy to clipboard"

Then my Pro Tools crash and all my works lost

Please help me!!!

Error Massage 0xFFFFFFFFFFFFFFFF