Overview
The anti-spam engine (GfiscanS.exe) in GFI MailEssentails 21.6 crashes continuously. The Application logs in the Event Viewer shows that gfiscans.exe is crashing with a fault in gfi_log.dll.
Faulting application name: gfiscans.exe, version: 21.6.11004.33, time stamp: 0x5e39198c
Faulting module name: gfi_log.dll, version: 21.6.11004.203, time stamp: 0x563c82b5
Faulting application path: C:\Program Files (x86)\GFI\MailEssentials\Antispam\gfiscans.exe
Faulting module path: C:\Program Files (x86)\GFI\MailEssentials\Antispam\gfi_log.dll
Solution
<supportagent>
Versions / Builds Affected
21.6
Status
Release Pending
Problem Summary
After applying a .NET update (specifically: KB4580422), the GfiscanS.exe in GFI MailEssentails 21.6 crashes constantly. It has been observed that disabling tracing stops the crashes.
TT / JIRAID
</supportagent>
How to Identify
- MailEssentials AntiSpam Scan engine is continuously crashing after applying Windows updates.
- KB4580422 Cumulative Update for .NET Framework recently installed.
- AS Scan service has to be manually restarted several times to keep it running steadily.
Workaround
Ensure that there are no update related issues causing the Anti-Spam Scan engine to crash, by following the steps below:
- Enable updates over HTTP.
- Reset SpamRazer definition files.
- Reset AntiPhishing definition files.
- Ensure the firewall is not blocking access to the update locations as specified in the GFI MailEssentials Port Description article.
<supportagent>
The steps below are common to all tickets, and the most likely to have helped.
</supportagent>
Disable tracing and make sure that the latest .NET update has been applied:
- Disable email tracing in MailEssentials Switchboard.
- Ensure that the latest updates of Microsoft .NET Framework are installed on the server.
Download .NET Framework 4.8- Alternatively, remove KB4580422, if installed, reboot, and check to see if it corrects the issue.