The "44" version refers to a specific byte offset or a particular community-released binary hash (v.44) that works reliably with with the latest (pre-2020) updates.
was likely incompatible with the patch. Boot into Safe Mode and restore your backup, or use sfc /scannow to repair the system file. How do I know it worked? Universal Termsrv.dll Patch Windows 7 64 Bit 44
If you are using a manual patcher (e.g., a batch script using hexedit ), the universal offset for 64-bit build 44 is commonly 0x1A2B0 (change 7C 06 to 90 90 ). The "44" version refers to a specific byte
This guide assumes you have identified your termsrv.dll version as compatible with the "Build 44" universal patch. a batch script using hexedit )