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15 Gb of space disappeared on my ssd

Hello i just lost a total of 15gb from my c drive for no apprent reason first it was 10 then i lost a further 5gb i tried running disk cleanup but it indicates i cleanup abot 5.5 Gb (same as before) what on earth is happening

p.s just lost another 2Gb

Hi ARSENALTASTIC, Windows and indeed Windows Explorer is useless when it comes to working out where your hard drive space is being used . . .

Click the link below to download a small free utility called Treesize. Using that tool, you will instantly see where this space is being used

https://www.jam-software.com/treesize_free/

Once you have worked out where this space is being used, please let us know so we can advise on what is safe to remove . . .
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Power to the Developer!

MSI GV72 - 17.3", i7-8750H (Hex Core), 32GB DDR4, 4GB GeForce GTX 1050 Ti, 256GB NVMe M2, 2TB HDD

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Power to the Developer!

MSI GV72 - 17.3", i7-8750H (Hex Core), 32GB DDR4, 4GB GeForce GTX 1050 Ti, 256GB NVMe M2, 2TB HDD

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thanks for the reply I just installed the April update & now i can clear up 38.4gb of space as follows

previous windows installations 35.8gb , device driver packages 2.24gb , windows defender av 97.6kb ,  windows update log files 329mb , temp internet files 4.2mb , thumbnails 4mb which of these can i safely delete and is there a way i can back them up onto an external hd?

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Hi ARSENALTASTIC,

There would be no point in backing up the previous Windows Installations, they cannot be used again

Windows Defender, that is negligible space

Windows Update log file again serve not purpose for the future

Device Driver Packages, certainly they would be worth backing up if you can find their location on your hard drive


Though you can backup your current full driver set manually as follows:

Create a new folder on your C Drive called DriverBackup

Click your Start Button, type cmd, then right click Command Prompt. and choose 'Run as Administrator'

Run the following command and press Enter:

DISM /online /export-driver /destination:C:\DriverBackup

When that command completes, close Command Prompt and copy that new folder to an external drive for future use
___________________________________________________________________

Power to the Developer!

MSI GV72 - 17.3", i7-8750H (Hex Core), 32GB DDR4, 4GB GeForce GTX 1050 Ti, 256GB NVMe M2, 2TB HDD

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But they are all safe to delete via disk cleanup right?

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Hi ARSENALTASTIC, yes anything that Disk Cleanup suggests can be deleted, is always safe to delete . . .
___________________________________________________________________

Power to the Developer!

MSI GV72 - 17.3", i7-8750H (Hex Core), 32GB DDR4, 4GB GeForce GTX 1050 Ti, 256GB NVMe M2, 2TB HDD

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Last updated April 19, 2025 Views 4,153 Applies to: