I HATE THIS BUG

THERE IS A BUG THAT WHEN U GO TO WINDOWED SCREEN AND WHEN U GO BACK IN THE GAME U PING WHEN U PRESS MB1 AND U CAN'T UPGRADE ANY MOVES USE ANY MOVES AND BUY ANY ITEMS OR EVEN GO TO MENU SO U HAVE TO PRESS MB2 ON THE LEAGUE OF LEGENDS GAME TAB AND PRESS CLOSE WINDOW BUT IT GLITCH AND I HAD TO RESTART MY COMPUTER AND GO BACK IN THE GAME AND IT TOOK TO LOG AND NOW I HAVE LOW PRIORITY PLEASE FIX THIS GLITCH ON ASPIRE 7600U AND DO IT QUICKLY