I was using a tool called MiniTool Partition. My plan was to Shrink existing partitions to create a new partition for installation of another windows on it. But when I shrunk space, existing windows vista ran into blue screen of death and reason was pagefile. I knew that page file is larger than available space so I reallocated space that I shrunk previously with another windows that is already installed(xp). But this time when it rebooted, nothing worked, windows didn't booted up at all. I tried to install windows 7 and it shows my main partition 108 GB and 108 GB free and its label was removed and I got shocked!! I booted it up with Puppy Linux via external storage and I got some sigh of relief to see that it showed all files on this partition but computer doesn't boots. All files are intact including windows system files but it doesn't boots. I don't have any vista CD's, recovery disk etc. I need help to fix my partition and make it boot again but I need your help people. I don't want to experiment and mess it up.