Go to C:\Windows\System32\termsrv.dll , right-click Properties > Security > Advanced , and change the owner to your admin account. Give yourself "Full Control" permissions.
: You must re-apply the patch or update the configuration (for RDP Wrapper) almost every time Windows installs a monthly security update. 🛠️ The "Official" Way (No Patching) termsrvdll patch windows server 2016 free