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Unknown error 0x80070057 decomposing ''''. [0xa020000c]

Ok so I started getting this error on about 32 of my pc's today, it shows up in the console under scanning errors.  Anyone have a idea of what causes this error?  I know I had approved some updates earlier today for security updates from Microsoft but not sure why that would cause this....Any ideas?

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  • Hello LukeA,

    there's usually a filename inside the double quotes. "decomposing" refers to files with some internal structure - PEs, office documents or PDF for example - and the process of identifying the different parts. Haven't looked up the error code, but often some file disappears or becomes otherwise unavailable before the scanner can complete its work - there's lots of "strange" filesystem activity during updates. If the error doesn't recur simply acknowledge it.

    Christian
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