Later edit.. It's looks that all the trouble is from windows 7. The only solution is to set that ad-hoc point, save the setting for new network and then create an task sheduler. more details - Link Removed due to 404 Error
Hello, everybody. I try the solution posted below but after I restart my pc wireless connection is not working till I delete old ad-hoc connection and reconfigure like below. Any solution for this error? I've tried with firewall enable/ disable and windows defender disable = same issue...