Yesterday i played dota but today when i try to connect to server it says ''unable to validate game version, please reconnect to battlenet or apply the current game patch manually''.

What the hell happend, what should i do ?

Hi.

Have you tried reinstalling?

Yes i did yesterday and it was working fine, today actually right now its same again,i cant always reinstall just to play...

I bought a new PC three days ago so...so problems with w3 now

I have send you PM.