Scanning warning/error: x_AavmCheckFileDirectEx with roaming profile

In the Event Log Explorer of Windows Server 2003 under antivirus, I am receiving a warning/error messages on some but not all computers. The error reads:

AAVM - scanning warning: x_AavmCheckFileDirectEx [UNI]: \[roaming profile directory]\prf*.tmp (\[roaming profile directory]\prf*.tmp) returning error, 00000005.

and

AAVM - scanning error: x_AavmCheckFileDirectEx: avfilesScanReal of \[roaming profile directory]\prf*.tmp failed, 00000005.

I understand error 00000005 means avast can’t access the file. Can anyone explain what the issue is?