I bought this computer about two months ago and it came with Windows Vista. Vista was running slow, some of my software and devices (i.e. Canon digital camera, Verbatim Store N Go 2Gb flash drive, etc) wouldn’t work, so I my boyfriend install Windows XP (he’s our company’s IT guy). It worked for a while, and the I burned a CD about a week ago, and ever since then I’ve been getting an error message saying that something’s not being recognized, but in the error message it didn’t say anything about the DVD drive. Any help? Thanks!