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How to resolve an HTTP ERROR 400 in "Microsoft Edge" when accessing "Microsoft Rewards"

John Lipari 0 Reputation points
2025-11-06T20:20:40.4166667+00:00

Yesterday (11-5-2025), I started receiving the following error message when accessing Microsoft Rewards via Microsoft Edge.

This page isn’t working right now

If the problem continues, contact the site owner.

HTTP ERROR 400

The issue still occurs today (11-6-2025), and has never occurred in the past.

Is there a way ro resolve the issue?

Thanks,

John

PS: If I refresh the page, I can access Microsoft Rewards; however, it only occurs on initial launch.

Microsoft Edge | Website issues | Windows 11

2 answers

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  1. Restee Miranda 14,055 Reputation points Independent Advisor
    2025-11-06T20:54:48.76+00:00

    Thanks for posting to the forum, John. A Bad Request HTTP ERROR 400 in Microsoft Edge when using Microsoft Rewards usually means there's an issue with cookies, large request headers, or cached info. If refreshing helps briefly, the issue likely involves saved session info.

    Here’s how to fix it:

    Clear Rewards Cookies & Cache: In Edge, go to Settings > Privacy, search, and services > Clear browsing data > Choose what to clear. Pick Cookies and other site data and Cached images and files, set the time to All time, and click Clear. Or, clear cookies just for rewards.microsoft.com via edge://settings/privacy/cookies/AllCookies.

    Use InPrivate Mode or Another Browser: If it works in InPrivate, the problem is in your cached cookies or extensions.

    Disable VPN/Proxy and Extensions: These can mess with Microsoft Rewards. Turn them off and try again.

    Check for Large Cookies: If cookies are too big, Edge gives 400 errors. Clearing them often fixes this.

    Update Edge: Go to edge://settings/help to get the newest version.

    If it still doesn't work, reach out to Microsoft Rewards support at rewards.bing.com/support.

    All the best,

    Rez

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  2. AI answer

    2025-11-06T20:20:52.84+00:00

    To resolve an HTTP ERROR 400 when accessing Microsoft Rewards in Microsoft Edge, you can try the following troubleshooting steps:

    1. Clear Browser Cache and Cookies: Sometimes, corrupted cache or cookies can cause errors. Go to Edge settings, navigate to Privacy, search for Clear browsing data, and select cached images and files as well as cookies.
    2. Check for URL Issues: Ensure that the URL you are trying to access is correct and does not contain any unnecessary characters or spaces.
    3. Disable Extensions: Some browser extensions can interfere with web requests. Try disabling extensions to see if that resolves the issue.
    4. Reset Edge Settings: If the issue persists, consider resetting Microsoft Edge settings to their default. This can be done in the settings menu under Reset settings.
    5. Check Network Connection: Ensure that your internet connection is stable. Sometimes, network issues can lead to HTTP errors.
    6. Use a Different Network: If possible, try accessing Microsoft Rewards from a different network to rule out network-specific issues.

    If the problem continues after trying these steps, it may be beneficial to contact Microsoft support for further assistance.

    References:

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

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