I suspect it is system restore and/or, if you are using Vista Ultimate,
shadow copying. If you are not using Vista ultimate then I'd suspect system
restore. However, system restore does have an allocation of around 12% of
available drive space and when it fills that space it will start deleting
If your system is working fine then one way of finding out is to disable
system restore, check to see if the lost space has been restored and then
enable system restore again and then create a new system restore point.
See these links from my website:
John Barnett MVP
Windows - Shell/User
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"Richard" <Richard@discussions.microsoft.com> wrote in message
>I have a 240 GB hdd. 3 partitions.
> 1: 60gb (for Windows)
> On partition 1 (with Windows), yesterday was 30 gb free space, today i
> 27.9 gb free space, what happens there? in 1 month i will have 0 gb free
> space... :| what can I do? (Updates are Turned Off and I didn't install
> anything on it) :| Strange...