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Windows 7: Need to delete locked system files from old windows install


21 Jan 2012   #1

Windows 7 Professional 64-bit
 
 
Need to delete locked system files from old windows install

Hello,

I have recently updated my hdd with a clean windows 7 install, but had the old one on a secondary hard disk as a back up. I now need to delete these files to save space on my data drive, but am unable to delete the system and windows files as they are owned by TrustedInstaller.

I discovered how to take ownership of these directories, but now the UAC is telling me that I need permission from myself to delete the files which I own!

Is there anyway to get round this without shipping out my data and doing a format, which I don't want to do as I always seem to miss something important...

Thanks
Dave

My System SpecsSystem Spec
.

21 Jan 2012   #2

Microsoft Community Contributor Award Recipient

Windows 7 Ultimate SP1 X64 (Windows 8.1, Linux Mint, Windows XP and others in VM)
 
 

See if this tutorial will help. how to delete windows.old You must be the administrator to do this.
My System SpecsSystem Spec
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 Need to delete locked system files from old windows install




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