Windows.old file new install


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angeyburger25

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I have reinstalled windows 11 multiple times from Bootable USB onto my SSD that had the old Windows files on it.

During the install process from the bootable usb menu I used Diskpart to clean the SSD and when I load into windows, I can see a windows.old file with nothing in it.

Is this normal?
 
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Windows 11

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Windows 11
OS
Windows 11
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PC/Desktop
Yes. 24H2 & 25H2 perform every clean install as a "Windows upgrade", and create a dummy folder Windows.old. There was nothing inside, but helps Windows complete the install process. You can delete the empty folder afterwards.

Don't ask why Windows isn't smart enough to clean up the folder.
 

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Windows 7
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Windows 7
garlin said:
Yes. 24H2 & 25H2 perform a clean install as an "upgrade", and create a dummy folder Windows.old. There was nothing inside, but helps Windows complete the install process. You can delete the empty folder afterwards.

Don't ask why Windows isn't smart enough to clean up the folder with nothing there.
Click to expand...
Thanks for the quick reply!

I do have another question, I re installed windows 11 via bootable USB about 4x using DiskPart Clean to wipe the drive.

Is this the correct way to clean the SSD in future reinstalls if it were needed? My old PC had corrupted drivers, instead of just reinstalling windows I thought I’d treat myself to a new PC.

Thanks
-Joe
 

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OS
Windows 11
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Unless your goal is to securely erase confidential data, then simply using diskpart -> clean, convert gpt is enough to initialize the disk.

Without a valid partition table, NTFS loses track of the previous data. Obviously someone could try running a disk recovery program to recover unerased data, but if all you want to do is to re-install Windows from scratch – it's a good enough.

One way of automating this process is creating an unattended file, which creates a custom disk layout. When the layout is applied, you can specify to erase the disk. This is the same thing as clean / convert gpt, and adding the new partitions. Of course, if you have multiple disks, care has to be taken in case the unattended install misidentifies the drive due a HW re-numbering.
 

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Windows 7
OS
Windows 7
garlin said:
Unless your goal is to securely erase confidential data, then simply using diskpart -> clean, convert gpt is enough to initialize the disk.

Without a valid partition table, NTFS loses track of the previous data. Obviously someone could try running a disk recovery program to recover unerased data, but if all you want to do is to re-install Windows from scratch – it's a good enough.

One way of automating this process is creating an unattended file, which creates a custom disk layout. When the layout is applied, you can specify to erase the disk. This is the same thing as clean / convert gpt, and adding the new partitions. Of course, if you have multiple disks, care has to be taken in case the unattended install misidentifies the drive due a HW re-numbering.
Click to expand...
Thank you for the information mate you’re a legend.

Just before we end this thread my old PC had corrupted Chipset and GPU drivers, being young and naive I never bothered to fix it. I still have this old pc and Im going to give it to my brother for school work and light gaming.

If I diskpart > clean the ssd from bootable USB will it wipe all the old corrupted drivers correct? Just for double assurance :)
 

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Windows 11
OS
Windows 11
Computer type
PC/Desktop
No. diskpart / clean doesn't delete any drivers, it effectively resets the disk without doing a lengthy format. If you haven't added "bad" drivers to the install image, then you'll get exactly what's the Windows install image on a clean install.

After you've rebuilt the system, make a Windows recovery drive on USB in case your brother doesn't know how to re-install Windows for himself. Or find the right drivers for this PC.
 

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Windows 7
OS
Windows 7
garlin said:
No. diskpart / clean doesn't delete any drivers, it effectively resets the disk without doing a lengthy format. If you haven't added "bad" drivers to the install image, then you'll get exactly what's the Windows install image on a clean install.

After you've rebuilt the system, make a Windows recovery drive on USB in case your brother doesn't know how to re-install Windows for himself. Or find the right drivers for this PC.
Click to expand...
Thank you for your help!
 

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OS
Windows 11
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Before a clean install you can manually delete each partition creating an unallocated disk drive.

Alternatively you can run diskpart clean before the clean install.

For most drives the results are the same.





A GPT drive can have as many as 128 partitions.

With many partitions diskpart clean can be substantially quicker than manual deletion.

If there was an unusual error code during clean install then diskpart clean may be better (mbr/gpt or linux).




For windows.old you can wait for the 10 day deletion or manually delete:

www.elevenforum.com

Delete Windows.old Folder in Windows 11

This tutorial will show you how to manually delete the Windows.old folder in the root directory of the Windows drive in Windows 11. When you upgrade to Windows 11 from Windows 10, repair install Windows 11, custom install Windows 11, or update to a new version of Windows 11 (ex: Windows...
www.elevenforum.com www.elevenforum.com
 

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zbook said:
For windows.old you can wait for the 10 day deletion or manually delete:

www.elevenforum.com

Delete Windows.old Folder in Windows 11

This tutorial will show you how to manually delete the Windows.old folder in the root directory of the Windows drive in Windows 11. When you upgrade to Windows 11 from Windows 10, repair install Windows 11, custom install Windows 11, or update to a new version of Windows 11 (ex: Windows...
www.elevenforum.com www.elevenforum.com
Click to expand...
I use Disk Cleanup, including system files, and it deletes windows old folder.
 

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windows 11 ,Ubuntu Cinnamon - for tinkering onlyIntel i51140016 GB0
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windows 11 ,Ubuntu Cinnamon - for tinkering only
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PC/Desktop
Manufacturer/Model
No Name - Assembled by a Compute shop in a Strip Mall.
CPU
Intel i511400
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ASUS PRIME B560-PLUS motherboard
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16 GB
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0
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25 in BenQ
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1. For a clean install, new Setup client (not the legacy Setup) creates the Windows.old. It can be removed by rmdir, no need to run Disk Cleanup since it's a placeholder folder.

2. For an in-place upgrade where there's an actual Windows folder (with system files) from before, then use Disk Cleanup.
 

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Windows 7
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