Replace the modified file with your .bak file and restart the TermService .
While specific hex values can change with Windows Updates (like KB5037765 or similar), the general process follows a consistent pattern. 1. Gain File Control
Modifying system binaries can lead to "Blue Screen of Death" (BSOD) errors or the total failure of the Remote Desktop service. If the hex code doesn't match your specific build version exactly, the service will fail to start. Security Vulnerabilities