The program associated with a0001759.dll is a codec called ASN.1 Runtime APIs. It is known to help make retrieval of data less dependent on commons-codec.
Codec is widely used for downloading media from “questionable” sites like adult content, person to person (P2P) file sharing communities, and free or pirated software. Trojans are also known to attach themselves to codec.
Registry errors concerning codec could be pinpointed to malicious malware being on your computer, or it could simply be misplaced.
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