How to fixes ZImbra Desktop can not start after windows updates
Some Zimbra Desktop users may be unable to start it after updating Windows. Reinstalling Zimbra Desktop does not resolve this problem.
Fixing Zimbra Desktop failing to start after Windows updates
Check the Windows event log (Viewer -> system). If you find the message below, Visual C++ 2005 Redistributable is not installed on the computer.
SideBySide Error None 32 N/A Dependent Assembly Microsoft.VC80.CRT could not be found and Last Error was The referenced assembly is not installed on your system.
Install Visual C++ 2005 Redistributable, uninstall Visual C++ 2008 (if present), and try running it again.