I had a driver problem with tp-link tl wn722n in windows 8. (solved myself but tried all the things on the internet)
The errors I got were:
Windows encountered a problem installing the driver software for your device
Windows found driver software for your device but encountered an error while attempting to install it.
The hash for the file is not present in the specified catalog file. The file is likely corrupt or the victim of tampering.
And, also when I try to install the software utilities on windows 8, i got blue screen and I fixed using refresing windows 8.
Then I tried lots of manual installation things, but only that one worked for me
go to TL-WN722N - Welcome to TP-LINK (you need to establish some other internet connection of course)
or direct download via this link http://www.tp-link.com/resources/sof...22N_100629.zip
extract zip file
run devmgmt.msc (device manager)
click on (or highlight with keyboard) USB2.0 WLAN
open context menu (right click or press context menu key)
click/hit enter on update driver software
select browse my computer
locate the folder you've got after extraction
I've tried so many things with the driver in the cd coming within package, none of them worked. (tried to install atheros chip driver, got same error)
I searched web and since Windows 8 is new, there was no help form there. Tried described things in websites but none of them worked.
Now it's perfect.
I did restarted my windows 8 and didn't get BSOD. I'm very relaxed right now.
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I noticed that connection gets lost after sleep. But it may be a general issue, I don't know.
Engin Oruc Ozturk, from Turkey