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How to Fix Windows 11 26H2 Upgrade Restarts and Rolls Back

Experiencing issues with your Windows 11 26H2 upgrade that restarts and rolls back? Discover effective troubleshooting steps to fix hardware and software conflicts.

3 min read
Windows 11 upgrade installation

If your Windows 11 26H2 upgrade keeps restarting and rolling back, it may stem from hardware incompatibilities, software conflicts, or insufficient storage space. Fortunately, you can follow several troubleshooting steps to effectively resolve these issues.

Why is my upgrade rolling back?

When the Windows 11 26H2 upgrade fails and rolls back, it is typically due to a few common issues. Incompatible hardware components, such as older graphics cards or insufficient RAM, can prevent the upgrade from completing. Additionally, software conflicts from outdated drivers or third-party applications may interfere with the installation process. Lastly, if your device lacks sufficient storage space, this can also lead to unsuccessful upgrade attempts.

Immediate troubleshooting steps

To quickly address the rollback issue, try these immediate troubleshooting steps:

  • Free up storage space: Ensure you have at least 20 GB of free space available on your hard drive.
  • Reset Windows Update components: This process can resolve issues with the update service.
  1. Open Command Prompt as Administrator.
  2. Type the following commands one by one, pressing Enter after each:
net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
  1. Then, type:
net start wuauserv
net start cryptSvc
net start bits
net start msiserver
  1. Restart your computer and attempt the upgrade again.

Checking system requirements

Before proceeding with the upgrade, it’s essential to verify that your system meets the minimum requirements for Windows 11 26H2. This includes having:

  • A compatible 64-bit processor with at least 1 GHz and 2 or more cores.
  • 4 GB of RAM or more.
  • 64 GB of storage or more.
  • DirectX 12 compatible graphics with a WDDM 2.0 driver.
  • TPM version 2.0.
  • A display greater than 9 inches with HD resolution (720p).

To check your system specifications, press Windows + R, type msinfo32, and hit Enter. Review the details under System Summary.

Repairing corrupted system files

Corrupted system files can also lead to upgrade failures. To address this, use the System File Checker (SFC) and the Deployment Imaging Service and Management Tool (DISM) to repair any damaged files.

  1. Open Command Prompt as Administrator.
  2. Run the SFC tool by typing:
sfc /scannow
  1. After the scan completes, run the DISM tool with the following command:
dism /online /cleanup-image /restorehealth
  1. Once both scans have finished, restart your computer and try the upgrade again.

What to do if issues persist

If the upgrade continues to fail after performing the above steps, consider these alternatives:

  • Perform a clean installation of Windows 11: This can resolve persistent issues by starting fresh.
  • Check for hardware issues: Run diagnostics on your hardware to ensure everything is functioning correctly.
  • Seek support from Microsoft: If problems persist, contacting Microsoft Support can provide further assistance.