The a3iiiu2wia.dll error message pertains to a problem with a WIA Mini Driver used by the WIA Scanner Driver program. It is possible that this may pose a security threat to your computer if this error message is linked to a virus. If you can verify the location of a3iiiu2wia.dll on your computer’s directory, it is easy to find out if this file is a true Dynamic Link Library file.
This task is somewhat arduous when attempted manually. Additionally, if you have been seeing other errors like access violations, blue screen errors, or system 32 errors, you likely have other registry errors affecting your system. The most thorough way to find them all at once and be sure they are not caused by a virus is to scan your computer.
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