Mstsc.exe Will Not Launch Apr 2026

If you recently updated to a new version of Windows (like 22H2 or 24H2) and RDP stopped working, some users have found success by temporarily replacing mstsc.exe and mstscax.dll with versions from a previous stable build. This is an advanced step and should be done with caution.

Check if there is a red notification stating "A custom scale factor is set". Mstsc.exe Will Not Launch

Are you seeing a specific in Event Viewer, or does the program simply do nothing when clicked? Windows 11 22H2 - Cant connect to a RDS server after update If you recently updated to a new version