Windows Update Stuck? How to Fix It Safely

By Ammar Aslam · Updated September 29, 2026 · 4 min read
Windows Update Stuck? How to Fix It Safely

Few things are more stressful than a computer stuck on "Working on updates, don't turn off your computer" for an hour. Or Windows Update might sit at 0% downloading forever, or fail with the same error again and again. The good news is that most update problems can be fixed without losing any files.

This guide explains how to tell whether an update is really stuck, and the safe steps to get it moving again.

Is it really stuck?

Large feature updates can take a long time, especially on older PCs with hard drives. Before doing anything, check:

  • Is the hard drive light still blinking? If so, Windows is still working.
  • Has the percentage changed in the last 30–60 minutes?
  • Is the laptop plugged in? Some updates pause on battery.

If nothing has changed for two hours or more, it is reasonable to treat it as stuck.

If stuck on the "Working on updates" screen

  1. Press and hold the power button for about 10 seconds until the PC turns off.
  2. Wait 30 seconds, then turn it on again.
  3. Windows will usually either continue the update or roll it back automatically. Let it finish.

If it gets stuck in a loop, Windows should show the Automatic Repair screen after two or three failed starts. Choose Advanced options → Uninstall Updates to remove the latest update.

Run the Windows Update troubleshooter

If Windows starts normally but updates keep failing, go to Settings → System → Troubleshoot → Other troubleshooters and run Windows Update. It detects and repairs many common problems automatically, such as stuck services and corrupted download caches.

Free up disk space

Updates need space to download and unpack. Feature updates can need 20 GB or more. If your C: drive is nearly full, updates can fail silently. Our guide on fixing a full C: drive shows how to free space quickly.

Clear the update cache

A corrupted download is a common cause of repeated failures. Clearing the cache forces Windows to download fresh files.

  1. Open Terminal (Admin) or Command Prompt as administrator.
  2. Stop the update services:
    net stop wuauserv
    net stop bits
  3. Open File Explorer and go to C:\Windows\SoftwareDistribution\Download. Delete everything inside this folder (not the folder itself).
  4. Start the services again:
    net start wuauserv
    net start bits
  5. Go back to Windows Update and click Check for updates.

Repair system files

In an admin terminal, run DISM /Online /Cleanup-Image /RestoreHealth followed by sfc /scannow. These repair damaged Windows files that can block updates. Restart when they finish.

Other things that help

  • Disconnect extra devices such as USB drives, printers and external disks during updates.
  • Temporarily disable third-party antivirus, which sometimes blocks update files.
  • Check your internet connection and avoid metered connections, which pause downloads.
  • Use the Update Assistant or Installation Assistant from Microsoft's website to install major feature updates manually.
Before big updates: back up your important files. Updates rarely delete personal data, but a backup means you never have to worry. See our backup guide.

How to prevent update problems in future

Most update headaches can be avoided with a few habits. First, keep at least 20–30 GB free on your C: drive at all times. Feature updates unpack large files, and a nearly full drive is one of the most common reasons they fail halfway through. Second, don't postpone updates for months. When many updates pile up, Windows has to install them in a long chain, which takes longer and gives more chances for something to go wrong.

Third, install updates at a time that suits you. In Settings → Windows Update → Advanced options → Active hours, tell Windows when you usually use your PC, so it doesn't restart in the middle of work. You can also choose Notify me when a restart is required so you can save your work first.

Laptop users

Always plug in before a big update. If the battery runs out halfway through installing, Windows has to recover on the next start, which is exactly when problems happen. Also avoid closing the lid while "Working on updates" is shown.

Keep a recovery option ready

Turn on System Restore so Windows creates a restore point before updates. See our System Restore guide. If an update causes problems, you can go back in a few minutes. For extra safety, create a Windows recovery USB drive once: search the Start menu for Create a recovery drive and follow the steps with an empty USB stick of 16 GB or more.

Which updates matter most?

Update typePriority
Security (cumulative) updatesInstall promptly
Feature updates (yearly)Install within a few weeks
Optional driver updatesInstall if you have a related problem
Preview updatesOptional; skip if you want stability

Frequently asked questions

Is it safe to turn off my PC during an update?

Only as a last resort, after waiting at least two hours with no progress. Windows is designed to recover and roll back in most cases.

Can I pause updates?

Yes. In Settings → Windows Update you can pause updates for a few weeks, but don't delay security updates for too long.

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Ammar Aslam
Ammar writes clear, practical tech guides that help everyday users fix problems, stay safe online and get more from their devices.