Windows keep popping up forever on PC?

Try this;
Unlike typical pop-up ads
(stopped with available blockers), 3rd party cookies are entirely different critters. When PC's (personal confusers) misbehave, like pop-up's, going to unrequested sites, goofy warnings, etc.; one step to help reduce annoying pop-ups & unrequested websites from being displayed on your machine is to turn off 3rd party cookies, and always leave them off.
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INTERNET EXPLORER: Tools> Internet Options> Privacy> Advanced: here check 'Override automatic....'; 'Allow session cookies'; 'Allow 1st party cookies'; & 'Block 3rd Party Cookies'.

FIREFOX: Tools> Options> Privacy: here UN-CHECK 'Accept 3rd Party cookies'
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Because architecture of the Internet (notably 'Flash' scripting), vulnerabilities are readily exploited in Internet Explorer, & it is now urgent that you
use Firefox with 'NoScript' add-on, which will prevent "Click-jacking'.
NoScript: https://addons.mozilla.org/en-US/firefox/addon/722

Sounds like you have a worm, or a trojan virus. You need to run anti-virus on full system scan update definaitions before you scan. then after that, you'll need to download spyware removal programs. I use ad-aware2008, and super anti-spyware remover. For ad-aware go to www.lavasoft.com and download the FREE. For the super spyware go to www.superantispy.com and download FREE.

As far as the flash-drive, right click on the file or folder, and uncheck the read-only box, then ok. make sure it removes all folder and subsystems. Then click on it again, right click and delete.

go to ad-aware.com and down load ad-aware 2008 free version. it will get rid of the spyware and cookies you most likely have. also try clearing your history and deleting cookies. to do this go to the toolbar click internet options and delete history and all. also you can download the google toolbar which comes with a free pop-up blocker.

start.run. msconfig,ok and then see what start with windows usually you don't need anything. so unmark it and restart the pc and the pop ups are finish .don't touch services ok?YOU DONT have virus. its programs who pops up all at same time do it as i say.for the flash drive use penclean or format it.
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Download MalwareBytes.

http://www.malwarebytes.org/

I also recommend:
http://www.superantispyware.com/

Be sure to run in safe mode, and to TURN OFF system restore.