The file error a0004065.dll originates in Visual Basic for Applications Development Environment – Expression Service Loader. This is a part of Microsoft Visual Basic for Application program. It’s a necessary part of your operating system and removal could damage your computer.
DLL errors mean that something happened in the installation or removal of a program. Sometimes a download gets interrupted. Other times the file might be misplaced. There’s another possibility that malicious downloads from the web will corrupt or damage your files.
The best thing to do is find a registry cleaner that will optimize and defrag your computer on a regular basis. Chances are that you don’t even know that your registry is cluttered because you are used to the slow run times.
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