undo

I use windows 7. I accidentally made the default program of .dll files as notepad. How to undo that?

i installed itunes and reorganised my songs folder according to artists . But i do not want that. I want songs according to movie name as they are before hoe to undo things done by itunes?

hi guys... m struck in a big mess.... actually i have selected the option "do not use this device" under the monitor driver options..... now as soon as i boot windows......my monitor goes off... i can't even c the desktop screen for a second.... dunt know how to undo it.... pls help.... !!!!

while closing windows media player a pop-up-window asked me if i wanted to close the payer or hide it by mistake i chose the 'hide it' option and now i want to undo it ... nebody knows how to do the same plz answer thanks neways

hi ! using some security application, i seem to have, quite some time back, set .scr files to open with notepad. how can i undo this ? when i click on the screensaver logo, gliberish opens in notepad ! i tried folder options>file associations, but cudnt find .scr there. pls help. :?

Here is how to tripple ur speeds. I went from 190kb/s up to 600kb/s so that should tell you something If it FAILS up your computer, I take no responsibility. Save this file as tweak.reg REGEDIT4 [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters]...

I was browsing the hacking sites they said open notepad and type the following save it in reg format and open it: Windows Registry Editor Version 5.00 [HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionPoliciesWinOldApp] "Disabled"=dword:0...

I have my HD partitioned, is it possible to undo the partition without formating the HD.