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Troubleshooting Booting Error on Windows 7x32-bit with Avast Antivirus and Avast One 22.11 Update

This article explains how to resolve booting errors that some users may experience after updating Avast Antivirus and Avast One to the most recent version (22.11). This issue may arise if users updated the relevant Avast products on outdated Windows 7 32-bit systems.

Impacted users experience being stuck on the following Windows boot-up screen which states Preparing Automatic Repair.

To resolve the issue, follow the steps below:
  1. Turn on your PC while simultaneously holding down the F8 key on your keyboard.
  2. Using your keyboard, select Disable Driver Signature Enforcement.
    If you are unable to boot your PC using Disable Driver Signature Enforcement, select Last Known Good Configuration (advanced) and continue to follow the proceeding steps.
  3. Wait for your PC to start up.
  4. Open your preferred browser and go to: Microsoft Update Catalog ▸ KB4474419.
  5. In the 2019-09 Security Update for Windows 7 for x86-based Systems (KB4474419) panel, click Download.
  6. Click the blue link and click Open file.
  7. Follow the on-screen instructions to complete the installation and reboot your PC if prompted.

Your PC now boots up normally.

If your Avast product does not work after rebooting your PC, uninstall and reinstall the product by following the steps in these articles:
  • Avast Free Antivirus:
    • Uninstalling Avast Free Antivirus
    • Installing Avast Free Antivirus
  • Avast Premium Security:
    • Uninstalling Avast Premium Security
    • Installing Avast Premium Security
  • Avast One:
    • Uninstalling Avast One
    • Installing Avast One
  • Avast Premium Security 22.11 for Windows PC
  • Avast Free Antivirus 22.11 for Windows PC
  • Avast One Antivirus 22.11 for Windows PC
  • Microsoft Windows 7 Home Basic / Home Premium / Professional / Enterprise / Ultimate - Service Pack 1 with Convenient Rollup Update, 32-bit


Updated on: 29/11/2022

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