windows 7

I have a 64-bit computer with Win 7. My computer was always set to an auto log in without the need for password. Yesterday I tried to increase the size of the C drive after which it started showing me 2 options Admin and User when I logged in, but when I clicked on either it logged me in without...

this is my second post in this forum..i am been having some issues lately. whenever i play a game on my windows PC , it suddenly minimizes it seems that the culprit is an application in the background whic randomly shows up for some microseconds. so i can't find out the app causing this...