If the temp folder is not a folder on the C:\ drive (default is C:\Windows\Temp), you may receive a "failed to scan" result when scanning large archives and 8.3 filename convention is disabled.
To fix this issue, open an elevated command prompt (run CMD as Administrator) and enable the convention by running the following command : fsutil.exe behavior set disable8dot3 0
For more details on How to disable 8.3 filename, please check this link.
This article pertains to MetaDefender Core v3
This article was last updated on 2017-12-20