aac_parser.ax is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like aac_parser.ax, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like wuauclt.exe - to follow. These files were created so that multiple programs (eg. KMPlayer) could share the same aac_parser.ax 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 AX 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 aac_parser.ax is attempted to be loaded either when KMPlayer is starting up, or in some cases already running. Some of the most common aac_parser.ax errors include:
- Access Violation at address - aac_parser.ax.
- aac_parser.ax could not be found.
- Cannot find C:\KMPlayer\aac_parser.ax.
- Cannot register aac_parser.ax.
- Cannot start KMPlayer. A required component is missing: aac_parser.ax. Please install KMPlayer again.
- Failed to load aac_parser.ax.
- The application has failed to start because aac_parser.ax was not found.
- The file aac_parser.ax is missing or corrupt.
- This application failed to start because aac_parser.ax was not found. Re-installing the application may fix this problem.
Your aac_parser.ax file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with KMPlayer), or deleted by a malware infection. Furthermore, aac_parser.ax file corruption could be caused from a power outage when loading KMPlayer, system crash while loading aac_parser.ax, 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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