If you do have UPL enabled in your environment and see this error, please contact Citrix App Layering support.
Run CVAD uninstall via add/remove programs + reboot
From an elevated command prompt run Sc delete Ulayer
Use PSEXEC -I -s “cmd” then open reged32 to amend permissions on below to include local admin group and delete:
Delete: c:Program FilesUnidesk
Amend: HKLMSoftwareMicrsosoftWindows NTWinLogonUserInit to be as below:
Following the un-install, it was set as such: C:Windowssystem32userinit.exe,C:Program FilesUnideskLayering ServicesLayerInfo.exe,
But, it should It should be C:Windowssystem32userinit.exe,
NOTE: Pay attention to that last character it’s a “,” Reboot Re-install CVAD.