Rdp 0x3 0x11 -

The root of this issue is rarely a single problem, but rather a conflict between the system's display rendering and the network transport protocol.

"Because of a protocol error detected at the client (code 0x3), this session will be disconnected," you are witnessing a breakdown in the OSI Layer 7 (Application) communication between the RDP client and the host. The sub-code rdp 0x3 0x11

Add mstsc.exe to your antivirus "Allowed" list. The root of this issue is rarely a