CPen.sys prevents turning on Memory Integrity in Windows 11 Safety

Created: 2022-09-15T06:36:25Z
Updated: 2022-09-15T06:36:25Z

CPen.sys driver supports old, since long´, discontinued products and can safely be removed if using C-Pen TS1/TS1 G2.


  1. Open Settings
  2. Navigate to Apps-->Apps & Features
  3. Scroll down to *Windows Driver Package - C Technologies AB (CPen) Input Pen
  4. Click on the three dots and select Uninstall.