This will help you identify agent issues caused by out of date root certificates.
- Cannot install or update agent binaries in Shavlik Protect
- Installing or updating Protect agent binaries fails
- The agent interface installs, but the the scanning engines, such as patch, threat, and asset engines, are missing
The STAgentUpdater.log file returns entries similar to:
SingleFileDownload.cpp:340 Signature check failed - C:\ProgramData\Shavlik Technologies\Agent Data\protect.manifest.cab
STAgentUpdater.cpp:629 Update failed with error: class STCore::CInvalidOperationException at XmlDomManagement.cpp:356: Error loading XML document from 'C:\ProgramData\Shavlik Technologies\Agent Data\Protect.manifest.xml': The system cannot locate the object specified.
<somepatch>.msi failed signature check
The root certificates on the target agent machine are expired or out of date.
Microsoft Article: Windows Root Certificate Program members
Shavlik Protect 9.x