We can't force Avast to speed up their whitelisting. If it only takes them an hour or two, that's not too bad really. You're getting the update faster than mobile users. But if you need it faster, you'll need to disable avast or whitelist the exe manually: https://www.getavast.net/support/managing-exceptions
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Computing the probability that at least one of the following events will occur:
P(a or b ... or z) = 1 - P(!a and !b ... and !z) Probability