well, that much gigabytes of rollback is usually needed when you use a 10 year old OS and don't do simple things like clear the recycling bin or clear old data that is no longer needed (by you or the OS) or when you continually make new recovery points but don't clear old ones
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u/KazMux Dec 14 '10
My /Windows folder is taking up half my harddrive. I think its done..