guys my vb forum is 3.8.6
some times after login in when i try to open any topic it treat me as if i didn't log in and for that ask me to put my user name and pass again

can any one tell me how to fix this ? ?
LoUaI Reviewed by LoUaI on . login problem guys my vb forum is 3.8.6 some times after login in when i try to open any topic it treat me as if i didn't log in and for that ask me to put my user name and pass again can any one tell me how to fix this ? ? Rating: 5