- very frustrated with my $1,000 new touch screen computer due to windows 8. i download win8.1 from play store looking for a easier os so could enjoy my new computer. but i have a problem windows defender will not turn on!!!! i tried all community posted things and replies from microsoft. when i press start it gives this error message:[ERROR 577 windows can not digital verify signture for this file ]etc.... come on guys i never had problems win 98xp i loved useing my computer everyday. it was simple to understand and find the fix for the regular guy. now i HATE Using my NEW COMPUTER DUE TO WIN8 and WINDOWS 8.1 i thought would make things better. i wish i could put win98 or win7 on this computer so i can enjoy my purchase. anyone know how to get Win8.1 win defender to work??? or want to buy a $1,000 hp i7 with 2 tb 8 gb paper weight?
<Moved from Windows>