mcoptim920r.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like mcoptim920r.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like klist.exe - to follow. These files were created so that multiple programs (eg. PASW Statistics) could share the same mcoptim920r.dll file, saving valuable memory allocation, therefore making your computer run more efficiently.
Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared DLL file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when mcoptim920r.dll is attempted to be loaded either when PASW Statistics is starting up, or in some cases already running. Some of the most common mcoptim920r.dll errors include:
- Access Violation at address - mcoptim920r.dll.
- mcoptim920r.dll could not be found.
- Cannot find C:\Program Files\IBM\SPSS\Statistics\Subscription\common\ext\bin\spss.common\mcoptim920r.dll.
- Cannot register mcoptim920r.dll.
- Cannot start PASW Statistics. A required component is missing: mcoptim920r.dll. Please install PASW Statistics again.
- Failed to load mcoptim920r.dll.
- The application has failed to start because mcoptim920r.dll was not found.
- The file mcoptim920r.dll is missing or corrupt.
- This application failed to start because mcoptim920r.dll was not found. Re-installing the application may fix this problem.
Your mcoptim920r.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with PASW Statistics), or deleted by a malware infection. Furthermore, mcoptim920r.dll file corruption could be caused from a power outage when loading PASW Statistics, system crash while loading mcoptim920r.dll, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.
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