Software⏱️ 3 min read📅 2026-06-11

How to Fix 0x80070426 Error – Windows 8 sign in error code: 0x80070426

Windows 8 sign in error code: 0x80070426 fix

Quick Answer: Try resetting Windows 8 password or using the built-in account management tool to resolve the issue.

Windows 8 sign in error code: 0x80070426 is a frustrating issue that occurs when attempting to switch or create a new user account on Windows 8. This error message is often caused by corrupted system files, incorrect registry entries, or issues with the User Mode Driver Framework (UMDF). If you're experiencing this error while trying to sign in with another account, don't worry – we've got you covered.

This error can be particularly frustrating because it prevents you from accessing your computer or switching between user accounts. However, by following the steps outlined below, you should be able to resolve the issue and regain access to your system.

⚠️ Common Causes

  • The primary cause of this error is a corrupted User Mode Driver Framework (UMDF) file. This can occur due to various reasons such as software conflicts, driver updates gone wrong, or even a simple system file corruption.
  • Another possible reason for this error is incorrect registry entries related to the User Mode Driver Framework. These registry keys might be out of date or have been altered by a recent system update, leading to the error.

🛠️ Step-by-Step Verified Fixes

System File Checker (SFC) and DISM Scan

  1. Step 1: Step 1: Open Command Prompt as an administrator. To do this, press the Windows key + X and select Command Prompt (Admin).
  2. Step 2: Step 2: Type the following command to run the System File Checker (SFC): sfc /scannow. Press Enter to execute the command.
  3. Step 3: Step 3: Once the scan is complete, type the following command to run the DISM Scan: dism /online /cleanup-image /restorehealth. Press Enter to execute the command.

Registry Editor and Driver Updates

  1. Step 1: Step 1: Open the Registry Editor by typing 'regedit' in the Run dialog box (Windows key + R). Navigate to the following keys: HKEY_LOCAL_MACHINE/software eatures볾cw and HKEY_LOCAL_MACHINE/system egistry볾. Look for any entries related to the User Mode Driver Framework.
  2. Step 2: Step 2: If you find any suspicious or outdated registry entries, delete them using the 'Delete' function in the Registry Editor.

✨ Wrapping Up

By following these steps, you should be able to resolve the Windows 8 sign in error code: 0x80070426 issue. Remember to restart your computer after completing each step and try signing in with your account again. If the problem persists, consider seeking further assistance from a professional IT technician or Microsoft support.

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