You might be able to solve some problems by running a troubleshooter.

To run a troubleshooter that will diagnose and repair common problems with Windows Update, click this automatic troubleshooter.

If that didn't work, here are solutions to some common problems with installing updates.

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I tried to install updates but one or more didn't get installed.

If the following questions don't address the problem, you can learn more about what happened and what to do next by reviewing any error messages that are displayed in Windows Update.

  • Open Windows Update by clicking the Start button Picture of the Start button, clicking All Programs, and then clicking Windows Update.

    If an error has occurred, it will be displayed with an error code that you can use to search online for help.

Did you accept the Microsoft Software License Terms? Install the update again and review and accept the license terms.

  1. Open Windows Update by clicking the Start button Picture of the Start button, clicking All Programs, and then clicking Windows Update.

  2. Review any error messages.

  3. If an error message about license terms or cancelled updates is displayed, click Try again, and then wait until you're prompted to review the license terms.

  4. Accept the license terms, and then wait to see if the update is installed successfully.

Is there enough free disk space on your computer? If you need more free space on your hard disk, you might need to uninstall programs, delete your temporary Internet files, delete files that you don't use, or empty the Recycle Bin, and then try again to install updates.

Did you cancel the installation process or disconnect from the Internet? It's fine if you did. Just check for updates again and install any updates that were cancelled or interrupted.

I keep being offered an update from Windows that I don’t want or that I already removed.

You can hide the update, and then Windows Update won't offer it to you again unless you choose to restore it.

I hid an update but now I want to install it.

You need to restore the update to the list of updates that Windows can offer, and then install it. Here's how:

  1. Open Windows Update by clicking the Start button Picture of the Start button, clicking All Programs, and then clicking Windows Update.

  2. In the left pane, click Restore hidden updates.

  3. Select the update that you want to install, and then click Restore. Administrator permission required If you are prompted for an administrator password or confirmation, type the password or provide confirmation.

  4. Windows will automatically check for updates, and then prompt you to install the update that you restored and any new updates that might be available.

I restored hidden updates but I can’t find the one that I want to install.

That's because a more recent update addresses the same problem as the update that you tried to restore. Windows will offer you the more recent update only.

My computer was turned off during a scheduled update.

If your computer is turned on during the next scheduled update, the updates will be installed. If new updates are ready to be installed, you can also install them before turning off your computer.

I keep getting prompted to restart my computer to finish installing updates.

Some updates apply to files or services that Windows is using. These types of updates can't be installed while Windows is running so you should save your work, close any open programs, and then restart your computer to finish the update process.

I installed updates (or a driver update) and now one of my devices doesn't work.

You might need to revert to a previous version of the driver for that device. Check the manufacturer's website for a more recent version of the driver, or remove the driver and restart your computer. For help with these steps, see Update a driver for hardware that isn't working properly.

I tried these troubleshooting steps but I still can't solve the problem. What should I do next?

Try one of these options:

  • If Windows Update displays an error code or error message, search Help and Support using the error code or error message as your search terms. To include the latest Help content in your search, make sure that you’re searching Windows Help online. For more information, see Get the latest Help content.

  • Go to the Microsoft Answers website for more assistance.

  • For troubleshooting problems with installing updates, go to the How to troubleshoot update installation issues article on the Microsoft website.

Help and Support search term: WindowsUpdate_dt000