Usually it doesn't happen, but sometimes updates can corrupt operating system and even file system.
Yes, you will need to buy an upgrade copy of Ultimate Edition to do so, or use Windows Anytime Upgrade available from the Microsoft website. Contact Microsoft if you need to know whether you can use upgrade in-place as you will be able to keep all of your files and folders this way.
The Recycle Bin. Windows keeps a special folder, for each disk, for the deleted files; if you open the "Recycle Bin", Windows will show you the deleted files for all connected drives.Note that Windows keeps only a certain number of MB of files for each drive; once that is passed, the oldest deleted files are eliminated permanently, when additional files are deleted.
if you have a copy of your original certificates you can install (import) them on your knew OS and you would be able to unencrypted your file(s).
If you cannot access and encrypted file after you have installed a new version of Windows and you have a backup copy of your certificate, install (import) the certificate in Windows. Then add it to the encrypted file.
If you've deleted your Windows 8 program files by mistake, you can do a recovery and put it back to factory settings. Make sure you backup your files before doing so.
All but perhaps the question needs rephrasing!
My experience is that you cannot play the files you have downloaded once you have deleted Limewire. I just did. I do not have limewire any longer.
If you want the deleted files back from Windows hard drives, firstly you can check the Recycle Bin to see if the deleted files are stored there. If you have emptied the Recyel Bin, then you will need some data recovery tools to help you recover the deleted files from hard disks.
Formatting doesn't delete the files. It Replaces the file that tells windows where the files are. The files are only accesible using special software and wont show up in windows explorer.
Windows2000 / prevents critical system files from being deleted or overwritten
Windows 7 or Windows Vista Ultimate
Windows has a built in Recycle Bin in all versions of Windows. This is available to help to recover files accidnetly deleted. You can retrieve a file in the recycle bin in Microsoft. It remains until the files are emptied from the Recycle bin. If the deleted files have been