The a2handler.dll error is related to the a2handler process belonging to a-squaredr from an Emsi Software program. The a2handler.dll may be a virus posing as a legitimate DLL, and the only way to tell the difference is to determine the directory location it executes or runs from.
Finding the directory location that a particular file runs from is nearly impossible for most PC users. The most accurate and efficient option is to have your computer scanned to determine the security threat posed by errors like a2handler.dll.
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