SonyEricssonMTPExt.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like SonyEricssonMTPExt.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like AvqBTEnum.exe - to follow. These files were created so that multiple programs (eg. Sony PC Companion) could share the same SonyEricssonMTPExt.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 SonyEricssonMTPExt.dll is attempted to be loaded either when Sony PC Companion is starting up, or in some cases already running. Some of the most common SonyEricssonMTPExt.dll errors include:
- Access Violation at address - SonyEricssonMTPExt.dll.
- SonyEricssonMTPExt.dll could not be found.
- Cannot find C:\Program Files (x86)\Sony\Sony PC Companion\SonyEricssonMTPExt.dll.
- Cannot register SonyEricssonMTPExt.dll.
- Cannot start Sony PC Companion. A required component is missing: SonyEricssonMTPExt.dll. Please install Sony PC Companion again.
- Failed to load SonyEricssonMTPExt.dll.
- The application has failed to start because SonyEricssonMTPExt.dll was not found.
- The file SonyEricssonMTPExt.dll is missing or corrupt.
- This application failed to start because SonyEricssonMTPExt.dll was not found. Re-installing the application may fix this problem.
Your SonyEricssonMTPExt.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Sony PC Companion), or deleted by a malware infection. Furthermore, SonyEricssonMTPExt.dll file corruption could be caused from a power outage when loading Sony PC Companion, system crash while loading SonyEricssonMTPExt.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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