Hi all,

I'm trying to understand why my laptop is behaving a certain way and 
what I can do to stop it.

I have a Windows 8.1 laptop. Mostly I use it at school. I hook it up to 
the projector in my classrooms as I lecture, and I use it during my 
office hours to read homework, etc. When I take it to school, I do not 
have it connected to campus networks because that eats up the battery 
faster.

I turn the laptop on at home one or two times a week, where it is 
connected to wifi. I do this to sync Dropbox, run a virus scan, and give 
the computer a chance to run any updates.

The problem is this. For the last couple of weeks, when I turn my 
computer on at school (no wifi), the laptop tells me it needs to load 
updates, and when I'm going to turn it off, it tells me it needs to 
install updates. Another thing it does when I turn it on is prompt me to 
back up the computer for free or to run a virus check (more often the 
backup). When I go home and turn the laptop on (wifi available), I don't 
get any update, backup, or virus scan prompts. I've tried turning the 
laptop on and leaving it on for over an hour, then restarting, and 
repeating a couple of times so the machine can do whatever it needs to 
do, but nothing happens. Then the next time I go to school, I'm back to 
updates and backups.

This doesn't happen every time I turn the laptop on at school, but it 
happens often, maybe one out of every three or four times. I haven't 
found a way to permanently stop the backup or virus scanning prompt, and 
if the laptop thinks it's updating, it can take up to ten minutes to 
start, which is a long time to stall and do other things when I'm in 
class. the offline updates never seem to finish because, if I turn the 
laptop on again, say, in the next class, the same process happens all 
over, but again, when I turn it on at home, it doesn't say it needs to 
update.

What might be going on here?

Thanks for any ideas.

Ciao


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