[GeronL]

sounds like a trojan virus that unloads a bunch of them at once.

I was able to delete the ones I got from a packet even though at startup I still get a message that something can’t be found.

I just used Malware Bytes

[Yosemitest]

I've run "Malwarebytes' Anti-Malware 1.46" with a recent update and it didn't detect it.
But "Online Armor++" detected it.

[free me]

I still get a message that something can’t be found.

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Try running combofix to take care of that.