SG_ARA.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like SG_ARA.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like MpSigStub.exe - to follow. These files were created so that multiple programs (eg. Canon Pixma MP250) could share the same SG_ARA.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 SG_ARA.dll is attempted to be loaded either when Canon Pixma MP250 is starting up, or in some cases already running. Some of the most common SG_ARA.dll errors include:
- Access Violation at address - SG_ARA.dll.
- SG_ARA.dll could not be found.
- Cannot find C:\Windows\System32\DriverStore\FileRepository\mp250sc.inf_amd64_2f5733f5d48890e1\SG_ARA.dll.
- Cannot register SG_ARA.dll.
- Cannot start Canon Pixma MP250. A required component is missing: SG_ARA.dll. Please install Canon Pixma MP250 again.
- Failed to load SG_ARA.dll.
- The application has failed to start because SG_ARA.dll was not found.
- The file SG_ARA.dll is missing or corrupt.
- This application failed to start because SG_ARA.dll was not found. Re-installing the application may fix this problem.
Your SG_ARA.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Canon Pixma MP250), or deleted by a malware infection. Furthermore, SG_ARA.dll file corruption could be caused from a power outage when loading Canon Pixma MP250, system crash while loading SG_ARA.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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