Please bear with me, I am the first to admit that I don't know a lot about computers, but I am a fast learner and good at following directions. I am really good at doing the things I use my computer for, but when it comes to the technical stuff, not so much. I have a dell optiplex 740 with windows xp. It has been slowing down for awhile, and I was getting windows pop up that said I was low on space on my C drive. I tried freeing up some room, but there were some random programs that seemed to be taking more room than others (programs that I don't use anymore, but it wouldn't let me erase them.) One day I tried logging on to my account and I got a window that said, "windows cannot load the user's profile but has logged you on with the default profile for the system. Detail: Insufficient system resources exist to complete the requested service." It then logged me on, but almost all of my icons were gone and my My Documents folder was completely empty. I'm hopeful that they're not really gone, because i was able to open a picasa icon (which I don't recall ever using before). Picasa pulled up all of my photos, but then immediately a message popped up saying the program had to close unexpectedly, so I couldn't save my pictures. I'm trying not to freak out, because pics of my 3 kids don't exist off of my computer. I just barely went to try to log on again, but this time after giving me the same message‚ it just went to a blue screen with no icons. I clicked on the disk clean-up icon down on the bottom of my screen, and it said that I had 0 MB of available space, and System Restore was suspended so it couldn't protect my computer until I freed at least 200 mb. I tried, but got several different messages when I tried, including: "an error occured while writing installation info to disk. Check to make sure enough disk space is available and click retry or cancel." Or "unable to locate/process internal binary resource. Pleas contact your software vendor." Or "runtime error! This applicationhas requested the Runtime to terminate in an unusual way." Sorry if this is too much info. My #1 priority is for sure recovering my pictures, and then to get my computer working again. I know space is obviously an issue. If it won't let me delete things, do I need to buy more memory before doing anything else? And then what? Is this damage that can be fixed?