Article ID: 2674065 - View products that this article applies to.
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Summary

Error: Windows failed to start. A recent hardware or software change might have caused the issue after you install Windows Updates
After you install the latest Windows Updates and reboot your computer, you may get the the error below. To fix this, follow the steps in the Resolution section below.

Resolution

Windows 8

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Automatic Repair can detect and fix certain types of system problems that might prevent Windows from starting.

To run Automatic Repair using preinstalled recovery options:
  1. Boot to WinRE. To do this you must allow the system to fail the boot process three times.
  2. From the Choose an option screen, tap or click Troubleshoot.
  3. Next, tap or click the Advanced options, and then tap or click Automatic Repair.
Automatic Repair will launch and attempt to fix any issues that prevent Windows from loading.

If Automatic Repair does not resolve the issue, please visit Microsoft Communities for more support.
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Windows 7

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To Fix this, follow the steps in method 1, it that doesn’t fix the issue, follow the steps in method 2.
Method 1: Use the Last Known Good Configuration to start Windows
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When starting the PC using the Last Known Good Configuration, your computer starts with the conficuration from the last time your PC booted successfully. To do this, follow these steps:
  1. Click the Start button, then click the arrow next to Shut Down, then click Restart.
  2. As your computer starts, press and hold the F8 button. If the Windows logo appears, you'll need to try again by shutting down and restarting your computer.
  3. On the Advanced Boot Options screen, use the arrow keys to highlight Last Known Good Configuration (advanced), and then press Enter. Windows will start normally.
If you still can't boot into Windows sucessfully, proceed to Method 2.

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Method 2: Use the Startup Repair feature
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Startup Repair can detect and fix certain types of system problems that might prevent Windows from starting.

To run Startup Repair using preinstalled recovery options:
  1. Restart your computer using the PC's power button. Do one of the following:
    • If your computer has a single operating system installed, press and hold the F8 key as your computer restarts. You need to press F8 before the Windows logo appears. If the Windows logo appears, you need to try again by waiting until the Windows logon prompt appears, and then shutting down and restarting your computer.
    • If your computer has more than one operating system, use the arrow keys to highlight the operating system you want to repair, and then press and hold F8.
  2. On the Advanced Boot Options screen, use the arrow keys to highlight Repair your computer, and then press Enter.
  3. Select a keyboard layout, and then click Next.
  4. On the System Recovery Options menu, click Startup Repair, and then follow the on screen instructions.
To run Startup Repair using the Windows installation disc or a system repair disc:
  1. Insert the Windows 7 or Windows Vista installation disc or a system repair disc, and then shut down your computer.
  2. Restart your computer using the computer's power button.
  3. If prompted, press any key and then follow the instructions that appear.
  4. On the Install Windows page, or on the System Recovery Options page, choose your language and other preferences, and then click Next.
  5. If you're using the Windows installation disc, click Repair your computer.
  6. Select the Windows installation you want to repair, and then click Next.
  7. On the System Recovery Options menu, click Startup Repair, and then follow the on screen instructions.
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More information

For more information about startup errors, visit: (Windows 7) Resolving stop (blue screen) errors in Windows 7 or (Windows Vista): What to do if Windows won't start correctly 

For more information about Windows Update, visit: Windows Update  

Properties

Article ID: 2674065 - Last Review: February 26, 2013 - Revision: 4.1
Applies to
  • Windows 8
  • Windows 8 Enterprise
  • Windows 8 Pro
  • Windows 7 Starter
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Enterprise
  • Windows 7 Ultimate
  • Windows Vista Starter
  • Windows Vista Home Basic
  • Windows Vista Home Premium
  • Windows Vista Business
  • Windows Vista Enterprise
  • Windows Vista Ultimate
  • Microsoft Windows Update
Keywords: 
KB2674065

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