ok upgraded from windows 8 to 8.1 twice first time did fine. I'm new to computers didnt know what todo when i messed it up so I refreshed it twice. said i was new yea i know damp ... ok so now I get a message that says i need to delete my windows .old folder says it takeing up to much room on hard drive but when check it says i have 670 gb got 606 gb freeso do i need to do it and if so how .also runs alittle funny one time wireless internet working next time its not. getting alot of popups i've never got before say help line lets chat acts like computer help ones np call for greeat tech support by The weDownload Manger and others about malware never heard of that. If can help thanks alot
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