How to Fix ClamAV “Can’t Save PID” Error on CWP7

After a CWP7, AlmaLinux, systemd, or ClamAV update, the ClamAV daemon may fail to start.When checking its status, you may see:The system log reveals the actual error:What causes the problem? The directoryis missing.Thefilesystem contains temporary runtime data and is recreated after every server reboot. If the ClamAV systemd service does not recreate its runtime directory,cannot create its PID file and exits immediately with status code 2.Permanent solution Connect to your CWP7 server through SSH asand run the following complete block:This creates a systemd override that automatically createswhenever the ClamAV service starts.Verify the repair Run:If the repair was successful, the service should show:Check the configured PID file Confirm which PID file is configured for the Amavis ClamAV instance:The expected result is normally:Why not create the missing directory manually? The following command may restore ClamAV temporarily:However, the directory may disappear after the next reboot becausecontains temporary runtime data.The systemd override is the permanent solution because it recreates the required directory automatically whenever ClamAV starts.Important notes

iDo not deleteas the first troubleshooting step.
/iDo not reinstall ClamAV before identifying the actual startup error.
iDo not repeatedly restart the service without checking its journal.
/iThis error does not mean that the ClamAV virus databases are corrupted.
iThis solution applies whenuses.
/iAlways verify the PID path before applying the fix to a differently configured server.
Useful diagnostic commands Check the ClamAV service:Check the latest service log:Check all failed systemd services:If the journal reports thatcannot be created because the directory does not exist, the systemd override above should resolve the problem permanently.