The most reliable and safest method to restore a missing or corrupted DLL is a clean reinstallation. This ensures that the Protexis License Service and its associated files are correctly placed in the system directories. 2. Run a System File Checker (SFC) Scan
If systemic Windows corruption is preventing DLL files from registering correctly, the built-in system file checker can repair it. Type cmd into the Windows search bar. Right-click and select Run as administrator . Input the following command and press Enter: sfc /scannow Corel Draw X7 Psikey.dll File