Run a "Full Scan" rather than a "Quick Scan."
If the app works, add the program’s folder to your AV Exclusion/Exception list so you can turn your protection back on. Step 3: Clear the "Mark of the Web" Run a "Full Scan" rather than a "Quick Scan
Have you encountered this error and found another fix not listed here? Share your experience in the comments below. And remember: when in doubt, back it up. back it up.