My computer auto-updated on Sept. 22 at about 4 am.
Immediately on that day I had wifi problems - it would be connected just fine, and then it would shut off and not be able to connect to any wifi connection. The ONLY way to fix it was to restart the computer.
After 2 weeks of this - I was about to explode, so I found a way to keep windows 10 from auto-updating in the first place, rolled back as many updates as I could that happened on the 22nd or later.
Still had wifi problems.
Found rumors that microsoft included a driver "update" for my wifi adapter - and when I dug in to that, it showed no history of being updated until I dig really deep - I found it in a log on my computer that it updated at the same time as the anniversary update, but there was no option to roll back to the previous driver - it was as if Microsoft had installed the thing brand new on Sept. 22.
But it was the wrong driver for windows 10...
I had version 188.8.131.52 - but needed 10.0.0.318.
I found a link on a HP support website
that downloaded the "old" driver and it installed automatically. (the link to actually download is in the 3rd reply on that page if you're interested...)
Fixed my problem instantly.
If you do this, make sure you set it to not update your driver - because microsoft will try to throw it to the updated version again if you don't make that change.