How to Fix Data Text HTML 3CBody 3E 3C 2Fbody 3E on Steam

Many Steam users have reported a frustrating problem: when they open the program, they see a blank page with an error message [data:text/html,%3Cbody%3E%3C%2Fbody%3E]. This error keeps popping up every time they launch Steam, although it disappears once they close the window and the main Steam interface appears.

After investigating this issue, we have found several possible reasons behind this Steam error. In this article, we will examine each potential scenario and share different solutions that have helped affected users resolve the problem.

Learn how to fix the ‘Data Text HTML 3CBody 3E 3C 2Fbody 3E‘ issue on Steam. Follow our step-by-step guide to resolve this problem and get back to enjoying your gaming experience.

Potential Causes of the Error ‘Data Text HTML 3CBody 3E 3C 2Fbody 3E’

Before we explore the solutions, let’s first understand the various situations that could be causing this error to occur:

  • Outdated Steam client: If you haven’t updated your Steam client to the latest version, it might lead to an error.
  • Steam account not part of Beta Program: If you are not enrolled in the Steam Beta Program, it could be a possible factor behind the error.
  • Corrupted Steam cookie or cache: In some cases, corrupted cookies or cached data associated with Steam can trigger this error.
  • Firewall interference: The error could be caused by your firewall settings blocking certain Steam components from functioning properly.

How to Fix Data Text HTML 3CBody 3E 3C 2Fbody 3E on Steam

Follow the below fixes to quickly resolve the errors:

Fix 1: Forcing Steam to Update

Valve, the company that develops Steam, has released hotfixes to address the reported issue. While these hotfixes haven’t completely resolved the problem due to a cache-related issue, it is recommended to begin troubleshooting by forcing your Steam installation to update.

If the error is caused by a bug or a problem with the auto-updating function, you can follow these steps to fix it:

  1. Close all Steam processes to ensure a clean update.
  2. Open File Explorer and navigate to the default installation location of Steam: Location: C:\Program Files (x86)\Steam
  3. In the Steam installation folder, select all files and folders except for Steamapps, Userdata, and Steam.exe.
  4. Right-click on the selected items and choose “Delete” from the options that appear.
  5. Once the non-essential Steam files have been deleted, launch Steam to initiate the update process.

By following these steps, you can force an update for your Steam installation and potentially resolve the [data:text/html,%3Cbody%3E%3C%2Fbody%3E] error.

Fix 2: Joining the Steam Beta Program

If updating to the latest public build of Steam doesn’t resolve the issue, you can explore another option by signing up for the Steam Beta Program. This program grants access to exclusive hotfixes that are not yet available to regular Steam users.

To join the Steam Beta Program, follow these steps:

  1. Open the Steam client.
  2. Click on “Steam” located in the top-left corner of the window.
  3. From the drop-down menu, select “Settings.”
  4. In the Settings window, go to the “Account” tab.
  5. Look for the section titled “Beta Participation” and click on the “Change…” button.
  6. A pop-up window will appear. From the drop-down menu, select the option “Steam Beta Update.”
  7. Click “OK” to save the changes.
  8. Steam will now initiate the download and application of the beta update.
  9. Once the update is complete, restart Steam and check if the error still persists.

Joining the Steam Beta Program can grant you access to advanced fixes that may address the [data:text/html,%3Cbody%3E%3C%2Fbody%3E] error.

Fix 3: Clearing Steam Cookies and Cache

Temporary cache and cookie data accumulated by the built-in Steam browser can also contribute to the occurrence of this error. To resolve the issue in such cases, it is necessary to clear both the cookies and the cache from your Steam settings. Follow these steps:

  1. Open the Steam client.
  2. Click on “Steam” located in the top-left corner of the window.
  3. From the drop-down menu, select “Settings.”
  4. In the Settings window, go to the “Web Browser” tab.
  5. Click on the “Delete Web Browser Cache” button.
  6. Confirm the action by clicking “OK” in the confirmation prompt.
  7. Next, click on the “Delete All Browser Cookies” button.
  8. Confirm the action by clicking “OK” in the confirmation prompt.
  9. Restart Steam and check if the error still persists.

By clearing the cookies and cache, you can eliminate any corrupted or conflicting data that may be causing the error.

Fix 4: Firewall Configuration

Sometimes, certain firewall settings can interfere with the proper functioning of Steam, resulting in the [data:text/html,%3Cbody%3E%3C%2Fbody%3E] error. To ensure a smooth connection for Steam, you might need to configure your firewall settings. Here’s a step-by-step guide:

  1. Press the Windows key + R on your keyboard to open the Run dialog box.
  2. Type “control” and press Enter to open the Control Panel.
  3. In the Control Panel, set the “View by” option to either “Large icons” or “Small icons” if it’s not already selected.
  4. Locate and click on the “Windows Defender Firewall” option.
  5. On the left side of the window, click on “Allow an app or feature through Windows Defender Firewall.”
  6. Click the “Change settings” button. If prompted for administrator permission, confirm by clicking “Yes.”
  7. Scroll down the list of allowed apps and features until you find “Steam.”
  8. Ensure that both the “Private” and “Public” checkboxes are selected for Steam. If either checkbox is not selected, click on the corresponding checkbox to enable it.
  9. Click “OK” to save the changes.

By configuring your firewall settings to allow Steam access, you can prevent any potential blocking that might be causing the error.


Encountering the [data:text/html,%3Cbody%3E%3C%2Fbody%3E] error on Steam can be frustrating, but there are several potential fixes to resolve it. Begin by forcing Steam to update, consider joining the Steam Beta Program, clear your Steam cookies and cache, and adjust your firewall settings if necessary. Hopefully, one of these solutions will successfully resolve the issue for you.

If the problem persists even after trying these fixes, it is recommended to contact Steam Support for further assistance. They can provide personalized guidance and troubleshooting steps to help you resolve the error.

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