I'm hoping I can get some assistance. It was definitely user error. I know just enough to be dangerous and that's usually my problem. (Hey what if I delete this? Ugh!) Operating system: XP Pro Harddrive: Maxter 250GB, Seagate Barricuda (20GB) two of them. Processor: AMD Athlon XP 1600+ 1.40GHz Processor MotherBoard: MSI K7t266 Pro2-RU Via Kt266A Athlon/Duron Skt A DDR ATX MB Background:I had a raid configuration with two (20GB) Seatgate drives but one drive crashed. I could no longer use windows because they were my operating system and my Maxtor (250GB) was my Data drive. (I don't know much about the raid set up). Not understanding how the raid works, I simply reinstalled windows on my 250GB drive and ignored the raid hard drives, but when I re-installed everything I really didn't like having my operating system on the same drive letter as my data, so I downloaded Partition Commander 9 and created a new partition. I really didn't know what I was doing and it wasn't really the way I wanted it, but it worked. While rebuilding my PC I lost some software and ending up searching for one or two things on the internet (cracks, regkeys etc, yes I know shame on me). While doing this I ended up with a nasty trojan virus that destroyed my computer, yeah I know I probably deserved it. When I rebuilt my machine again I really only wanted a 50GB drive (partition excuse me if I screw up terminology) and the other 180+GB to be my data drive. I tried using Partition Magic but got some batch errors while trying to do things. I don't know if I had a bad version of software(the network guy at work said he didn't have all the licenses for this utility disk he gave me)or it was because the data partition was damaged. I was trying to resize my data partition from 130GB to 180GB, 50GB on my c: drive, and about 50GB unused. Partition Magic crapped out on the resize, then I tried to switch that big partition from FAT32 to NTSF (that was probably stupid right?) I think I f-bombed things pretty bad and gave up on Partition Magic. THen I used another program I think HD Management or something, and I saw a screwed up partition (f: 120GB), my regular C: drive of 50GB, and other 50-60GB of unused space. I have all my data backed up on another PC (from the first reinstall) so I figured why not delete the big partition and start over. Well I spent all night deleting the screwed up partition (120GB), and this morning instead of seeing 180GB of unused space, I only have the original 50GB C: drive and 50GB of unused space. The other 120GB never game back! I opened up a couple different partition manager type programs and they don't see the missing partition space, nor does my PC in windows XP. I seem to have lost 120GB in hard drive space and no application or utility can see it! I don't want to reinstall everything AGAIN, but is that my only hope? Reformat and start over again? Did I permanently shrink my hard drive? I know I screwed up, but there must be some way to get that space back. Sorry if this post was long winded, I just wanted to be detailed.