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Error Message in Disk Cleanup.

Gavin Mathos 50 Reputation points
2025-10-02T13:13:22.3566667+00:00

I am getting Error message in Disck cleanup on My Windows 11 25H2 OS Laptop. Would like to know shall I click on Yes or No option in it? Please check & reply. 

                       **** Error mesaage in Disk Cleanup ****

Windows Error11

Windows for home | Windows 11 | Performance and system failures
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  1. David-M 115.4K Reputation points Independent Advisor
    2025-10-02T13:54:48.05+00:00

    Hi. I'm David, and I'm happy to help you.

    You're being asked whether you want to delete previous Windows installation files (like "Windows.old") or temporary installation files. These can take up several gigabytes of space. However, once deleted, you won't be able to revert to a previous version of Windows.

    So, click "Yes" if:

    • You're happy with Windows 11 25H2 and don't plan to revert to an earlier version.
    • You want to free up disk space, especially if your storage is running low.

    Click "No" if:

    • You're still testing Windows 11 25H2 and might want to go back to your previous version.
    • You're unsure and want to keep recovery options open for now.

    My personal opinion: If your system is stable and you're not experiencing issues with 25H2, clicking "Yes" is safe and helps reclaim space. But if you're even slightly unsure, hit "No" and revisit this later.

    Typically, these files are automatically deleted about 10 days after upgrading to a new Windows version unless you've manually extended the retention period.

    Feel free to ask back any questions.

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