Add a additional assert to check that process shows as not running for invalid executables.
Add a additional assert to check that process shows as not running for invalid executables.

bhamiltoncx/NuProcess,brettwooldridge/NuProcess,brettwooldridge/NuProcess,clidev/NuProcess,pfxuan/NuProcess,rdicroce/NuProcess,clidev/NuProcess,brettwooldridge/NuProcess,bhamiltoncx/NuProcess,fengshao0907/NuProcess,fengshao0907/NuProcess,rdicroce/NuProcess,pfxuan/NuProcess