I thought I would pass this on, I bought a brand new USB hub ( cheap one) and I thought all was ok with it. In till i noticed, it would "disconnect" ( you will get com port failed message in zello) on its own! If I unplug it and plug in back in it would work for an hour or two then disconnect again! I change it out to a different one and all is fine! So if you have this problem, try a different USB hub!
Do NOT buy ones that look like this: ( this is the one i bought)
https://www.ebay.com/itm/114904123151
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