Are you trying to figure out why you are having an error problem with the file a0006620.dll?  Well, the truth is that it could be a variety of reasons, since this file is a part of mIRC script.  The mIRC script is client-based software that provides state of the art chat capabilities.

Needless to say, tracking the mIRC file could be a part of a few different programs on your computer.  Furthermore, anyone can write these files, so there is no telling which ones are corrupt and which ones are legitimate.

If you have ever tried to update your chat capabilities, the installation may have resulted in an error.  DLL files are used mainly for installing and removing programs.

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