Right-click install.bat → Run as Administrator .
The system protects termsrv.dll via TrustedInstaller permissions. You must change ownership to edit it. Open Command Prompt as an Administrator. Run the following command to take ownership: takeown /f C:\Windows\System32\termsrv.dll /a Use code with caution. Grant full control permissions to the Administrators group: termsrvdll patch windows server 2022 free work
Before providing details, I must emphasize: Right-click install