Sigma Server failure
Sigma has worked OK previously but now the Sigma server fails every time and quickly after starting.
A new anti-virus definitions file has been downloaded either manually or automatically and has detected that a Sigma file may be suspect, this will normally be a fault of the definitions file. There will be a report in the Windows event viewer that Sigma services has failed.
Anti-Virus software is often set to move suspect files into a "quarantined" directory. There will be a log to show this. Check these for any Sigma files quarantined.
Anti-Virus software can also be set to automatically delete suspect files. There will be a log to show this. Check this for any Sigma files shown as deleted.
1. Disable the Anti-Virus software on either the whole of c:\sigma\data or c:\sigma\bin.
Note: The site IT may need to be involved and approval may be required.
2. Either re-instate the files from the quarantined folder or re-install Sigma.