any time i try to download anything on to my computer whether from the internet or a cd i get an error that says the file or directory c:\users\ben\AppData\Local\Temp is corrupt please run chk disk utility, so i went to my computer, right clicked on my hardrive and tried to run it but it said i couldnt and asked me to schedual it for next time the computer started but then it would start up normaly and never ask me to do anything, iv tried to download virus softwear but it wont let me download anything and iv tried to remove soem other programs from my computer and it will not let me and in the bottom right corner by where the time, volume, and internet conectivity things are randomly a little yellow triangle pops up and tells me the chk disk utility thing and it wont go away, my computer is a new toshiba satellite that runs windows vista if that is important