Closed product key not working Tags: Windows 7 Last response: March 3, 2014 11:17 PM in Windows 7 Share Pankaj Sigdel March 3, 2014 10:53:47 PM my window 7 professional product key is not working when i press 0 it say unacceptable character i couldnt enter my product key More about : product key working aldan a b $ Windows 7 March 3, 2014 11:00:03 PM just a shot in the dark,try another keyboard? Score 0 Best solution Someone Somewhere a b $ Windows 7 March 3, 2014 11:17:38 PM I'm fairly sure that neither 0 (number) nor O (letter) are valid characters in MS keys. Of the half-dozen I could easily look at, none of them had a single zero. Are you sure it's not a Q or D? Share Can't find your answer ? Ask ! Publish Related resources Solvedproduct key not working Forum Windows 8 product key not working. :( Forum my 25- character product key isn't working Forum My product key isn't working but it was how do I get my product key back in which it was bought for my pc and I just want it b Forum Windows Product Key Not Working Forum SolvedProduct key work with both SP1 and without SP1? Forum new hdd product key not working Forum Solvedwill this work? Windows from hard drive to sdd. and not lose product key!? Forum Solvedwill this work? Windows from hard drive to sdd. and not lose product key!? Forum SolvedWindows 8: "Product Key Didn't Work" Forum PRODUCT KEY NOT WORKING Forum XP Product Key not working on a Different XP CD Forum SolvedWill a new OEM product key work on a preinstalled windows 7 Forum My product key wont work Forum i have a office 2007 entrprises and i also have product key bt it dosn't work and dont be installed? Forum This Product Key doesn't work Forum Office professional product key won't work Forum Product Key Does Not Work Forum Product key for windows xp service pack doesn't work so how can I get the key to Forum My vista businee product key does not work Forum More resources Read discussions in other Windows 7 categories Configuration Customization Drivers Security Laptops !