If you happen to encounter the error “Python.exe has stopped working” during an upgrade or installation of vCenter Server you may have hit a known issue that VMware is working on resolving. To confirm you are hitting this known issue, reference the vminst.log and the upgradeRunner.log files. You should see the error messages below.   vminst.log (%temp%) E: MonitorStatusFile: Process exited with a non-zero exit code; no status monitoring so assuming failure E: LaunchUpgradeRunnerCommon: Failed to run pre-upgrade phase: “Z:\PFiles\VMware\CIS\python\python.exe” “Z:\PFiles\VMware\CIS\cis_upgrade_runner\UpgradeRunner.py” –mode=requirements –configFile=”C:\Users\administrator\AppData\Local\Temp\UpgradeRunnerInput.json” –logDir=”C:\Users\administrator\AppData\Local\Temp\vcsUpgrade” –locale=en –outputFile=”C:\Users\administrator\AppData\Local\Temp\UpgradeRunnerPreupgradeOutput.json”   upgradeRunner.log (vCenter_Support_Bundle\vcsUpgrade\) ERROR __main__ Upgrade Runner has encountered an exception Traceback (most recent […]