getting error: failed to cache the download installer. Error: 0x800b0001

Steven Service 0 Reputation points
2026-09-11T08:01:16.7933333+00:00

Clipchamp is not work since the Microsoft update yesterday, and I get the error message: failed to cache the download installer. Error: 0x800b0001. I need help fixing this.

Windows for home | Windows 11 | Windows update
0 comments

2 answers

Sort by: Oldest
Most helpful Newest Oldest

  1. AI answer

    2026-09-11T08:01:32.9233333+00:00

    Try these steps in order:

    1. Open Clipchamp in the desktop app instead of the browser
      • On Windows 11, launch Clipchamp from the taskbar search or All Apps.
      • If it is not installed, install it from the Microsoft Store.
      • If it is already installed but has not been opened in some time, update it to the latest version first.
    2. Make sure the browser and Windows are fully updated
      • If using Clipchamp in a browser, use Microsoft Edge or Google Chrome.
      • Update the browser to the latest version.
      • Update Windows to the latest version.
    3. If using Edge, turn off protections that can block Clipchamp
      • Open Clipchamp in Edge.
      • Click Added security or the lock icon to the left of the address bar.
      • Find Tracking prevention for this site and turn it off.
      • Reload the page.
      • If needed, add the site to Edge’s allow list at edge://settings/privacy/trackingPreventionExceptions.
    4. If using Brave, allow fingerprinting temporarily
      • Click the lion icon to the right of the address bar.
      • Temporarily allow fingerprinting for Clipchamp.
    5. If the Clipchamp app will not sign in or open correctly, clear the local app cache
      • Press Windows + R.
      • Open: %localappdata%\Packages\Clipchamp.Clipchamp_yxz26nhyzhsrt\
      • Clear the contents of these folders:
        • AC
        • LocalState
        • LocalCache
      • Then try signing in again.
    6. If Clipchamp still will not open, reinstall it
      • Go to Settings > Apps > Installed apps.
      • Find Clipchamp.
      • Select the three dots > Uninstall.
      • Reinstall it from the Microsoft Store.

    The code 0x800b0001 is also shown in one Windows 7 installer case tied to update-signature validation, but the available Clipchamp guidance here does not provide a Windows 11-specific fix for that code itself. The supported Clipchamp actions are the app update/reinstall, browser update, Edge protection changes, and clearing the Clipchamp local cache.

    AI-generated content may be incorrect. Read our transparency notes for more information.

    Was this answer helpful?

  2. SD - IA 178.9K Reputation points Independent Advisor
    2026-09-11T08:40:21.6733333+00:00

    Hi,

    Please try this:

    Press Windows+R keys on the keyboard, or Right-click Start on the Taskbar and choose Run.

    Type/Paste %localappdata%\Packages\Clipchamp.Clipchamp_yxz26nhyzhsrt

    Press Enter.

    Delete everything in the folder, including subfolders - ensure Clipchamp is closed beforehand.

    Restart the computer and verify if the problem goes away.

    I hope this information helps. If you have any more questions, don't hesitate to reach out.

    Was this answer helpful?

    0 comments

Your answer

Answers can be marked as 'Accepted' by the question author and 'Recommended' by moderators, which helps users know the answer solved the author's problem.