Computer Takes Very Long To Log In, And Having Temporary Profile?

i've been told to be as detailed as i can, so i'll try and put my experience and problems down as comprehensively as possible. i'm running windows 7 (64-bit).yesterday morning, my computer took unusually long to log in. i didn't think much of it because it worked fine for most of the day besides being slow now and then when opening a program or two (the main one i recall is having trouble opening libre office).late in the evening, however, my opera browser had some kind of problem while i was on Internet. i'm not sure what i did, but it's happened once before; the video took up the entire screen, was difficult to manage because i couldn't bring it back to the usual size, and i had to close down the browser itself. when it started up again, opera was having the same issue as the last time this happened; the top and bottom of the screen had changed and i couldn't access the minimize/restoredown/close buttons. i figured i would have to re-install opera again, since this fixed the same sort of problem last time, but i tried restarting my computer just in case.

the computer took a long time to log in again, and it seemed like it had frozen. after waiting for a few minutes and seeing the loading icon wasn't moving, i used the power button to shut it off; unfortunately i noticed the icon moving again just as i did this.i started it up again after that, and it took several minutes to start up when it normally takes less than one. i think it spends the normal time booting up, but logging in takes abnormally long (it lingers on the "welcome" screen). when it finally does log in, i would get put into a temporary profile.while all my files do seem to still be present, my desktop is empty except for browsers, game icons, and a few programs. my text files, documents, folders and the like are elsewhere (but seem to still be present), and none of my programs' preferences are saved (my browser settings are reset, my instant messengers don't remember my login info, etc.). i wouldn't be so worried, but the long login time concerns me, and i hoped i could put things back to the way they were before.

my anti-virus didn't turn anything up after this began (i have spybot - search and destroy and webroot secureanywhere).first, he directed me to reboot in safe mode and attempt to use system restore. i was able to get into safe mode, but it still took a long time to log in, it still put my into a temporary profile, and there were no restore points available.next, i followed the directions here http://www.sysprobs.com/fix-temporary-profile-windows-7 up to the 2.f section. it seems that i am now out of the "temporary profile" loop, but nothing has changed except that this profile is no longer considered temporary. on my first attempt to log out and back in after following those instructions, i had the chance to log into a new "other user" profile, but it required a name and password which i could not fulfill (i didn't have a password on my usual account, since it was the only one). after logging back into this account (titled "owner", which isn't the same as my old one), that new one seems to be gone anyway. the accounts that remain are "owner" and "guest". owner is marked as an administrator, and guest is "off".