CorelDRAW X5 uses an older activation system (often tied to Protexis licensing). The psikey.dll file is part of that digital rights management (DRM).
If the file is missing or corrupt, you may need to perform a clean install. According to the CorelDRAW Deployment Guide , it is recommended to use the official ISO file or disc to ensure all modules like PsiKey.dll are correctly extracted. psikeydll coreldraw graphics suite x5 install
Before spending hours trying to force psikey.dll to work, consider that designing with an unsupported, cracked 2010-era software is a poor use of your time. Here are better options: CorelDRAW X5 uses an older activation system (often
C:\Program Files (x86)\Corel\CorelDRAW Graphics Suite X5\Programs\ Repair Protexis Service: consider that designing with an unsupported