Client problem ?

[Decerto]

Ive downloaded KO client,and when it comes to about 40 % of instalation it pops out an error.Here is the ss,so could anyone check it out and tell me whats the problem ?




When i click ignore,it just moves to another file and shows same error,here is ss :



Ive cleaned my pc with CCleaner,with TuneUP Utilities 2009 too,defragmented PC hard drives yesterday,scaned for viruses.....can anyone tell me how to fix this ?
Atm im downloading client from other website <.< maybe it will help....

[Decerto]

Nvmnd....thx for help ...downloaded again from another web and it worked....finished instalation and its updating atm...