I was running the following post-build scripts in VS2013…
$(FrameworkDir)\installutil.exe /u "$(TargetPath)"
$(FrameworkDir)\installutil.exe "$(TargetPath)"
and was getting this error…
"System.Security.SecurityException: The source was not found, but some or all event logs could not be searched. Inaccessible logs: Security."
Turns out I just needed to open VS as admin. Easy solution that took too long to figure out. Hope this helps.