Before attempting to "remove" the file, it is best to disable the service. This often stops the background lag without breaking the core application links.
If you have uninstalled Corel X5 but ProtexisCMD or PsiService_2 remains in your Task Manager, you must clean the registry: Press Win + R , type , and press Enter. corel x5 remove protexiscmd free
Press Win + R on your keyboard, type , and hit Enter. Scroll down to find Protexis Licensing V2 . Right-click it and select Properties . Change the "Startup type" to Disabled . Before attempting to "remove" the file, it is
Locate and rename it to PsiKey.dll.bak (as a backup). Locate the file named PsiClient.dll in the same folder. Copy PsiClient.dll and rename the copy to PsiKey.dll . Restart CorelDRAW X5. Press Win + R on your keyboard, type , and hit Enter
If disabling the service prevents Corel X5 from opening (resulting in an Error 24), you may need to bypass the service check entirely. This involves the PsiKey.dll file located in your Corel installation folder.
Removing Protexis helps reclaim system memory and bypasses annoying startup errors. For most users, is the safest route. If the software refuses to launch, Method 2 (DLL swapping) is the most effective way to keep Corel X5 functional on modern versions of Windows.