(from: Bagmaster50 on avast)
There is a way to get into the system volume information folder and delete singly restore points.
1st, open folder options, view, hidden files and folders, check show all files and folders.
2nd, turn off simple file sharing, click apply and then close the folder options.
3rd, browse to the C:/system volume information folder, right click on it, select properties. You'll now see a Security tab, click on it.
4th, On the security page under Group or users names click on "add", on the Select Users or Groups page that opens type in your user name in the enter window then click on check Names button to verify the name with. Now click on the ok button.
5th, now you can give yourself full control in the Permissions window, click apply and you're done.
Now you can turn back on simple file sharing and still be able to open the system volume information folder.
