Windows Update Keeps Failing? Here’s How to Fix It

Windows 11 updates are supposed to improve security, fix bugs, and add new features. But sometimes they do the opposite, Windows Update keeps failing, updates get stuck at a certain percentage, or you may see cryptic errors like 0x800f0922, 0x80070002, 0x800f081f, or 0x8024402f. If Windows Update keeps failing, or you frequently get messages like “Windows update failed to install” or “Windows 11 update keeps failing”, it could be due to slow internet, lack of storage space, corrupt update files, or your security software (Antivirus) blocking it. Whatever the reason, in this article, we look at common reasons behind this and proven solutions to fix and install Windows 11 updates the right way.

Why windows update keeps failing on Windows 11

Windows 11 updates might not install properly if there’s not enough disk space, or if update files are corrupted. Sometimes, outdated drivers, network issues, or interference from third-party software such as antivirus programs can cause problems.

• Low Storage: Not enough space (20GB+ needed for 64-bit) for downloading and installing updates.
• Corrupted Files: Downloaded update components get damaged.
• Driver Conflicts: Old or incorrect device drivers (graphics, network) interfere.
• Network Issues: Unstable or slow internet connection.
• Software Interference: Antivirus or other apps block the update process.
• System File Corruption: Damaged core Windows files.

Whatever the reason, here is how to fix Windows Update installation problems on Windows 11 PC.

Before You Start: Basic Checks

Do these quick checks first. They solve most Windows 11 update problems.

1. Check your internet connection

Windows Update needs a stable, uninterrupted connection.

• Make sure you’re not on a metered connection (Settings > Network & internet > Properties > turn off Metered connection).
• Avoid using public Wi‑Fi or unstable mobile hotspots.
• If possible, switch to a wired (Ethernet) connection while updating.

2. Free up disk space

Lack of free space on the system drive (usually C:) can cause updates to fail.

• Go to Settings > System > Storage.
• Use Storage Sense or Temporary files cleanup.
• Delete old downloads, empty Recycle Bin, uninstall apps you don’t use.

Aim for at least 20–25 GB free for feature updates.

3. Temporarily disable third‑party antivirus / VPN

Security software and VPN clients sometimes interfere with Windows Update.

• Temporarily disable or pause your third‑party antivirus.
• Disconnect VPN connections.
• Try checking for updates again in Settings > Windows Update.

You can turn security software and VPNs back on after the update completes.

4. Remove unnecessary external devices

Unplug non‑essential peripherals during the update to avoid driver or hardware conflicts:

• USB drives, external HDD/SSD
• Printers, scanners, webcams
• Audio interfaces, game controllers

Leave only the keyboard, mouse, monitor, and network connection attached.

Run the Windows Update Troubleshooter

Windows 11 includes a built‑in troubleshooter that can automatically detect and fix many common update issues.

• Open Settings (press Windows key + I).
• Go to System > Troubleshoot > Other troubleshooters.
• Find Windows Update and click Run.
• Follow the on‑screen instructions, apply any fixes suggested.

• Restart your PC when it’s done.
• Go to Settings > Windows Update and click Check for updates.

If Windows Update still fails, continue with the next fixes.

Restart Windows Update Services and Clear the Update Cache

A corrupted Windows Update cache is one of the most common reasons why Windows updates fails to install.

We’ll stop update‑related services, clear the cache folder, and start the services again.

Step 1: Stop update services

1. Press Windows key + R, type services.msc and press Enter.
2. Find and stop these services one by one:
   • Windows Update
   • Background Intelligent Transfer Service (BITS)
   • Cryptographic Services
   • Windows Installer (if present and running)
3. To stop a service, right‑click it and choose Stop.

Step 2: Clear the SoftwareDistribution cache

1. Press Windows key + R, type:

   C:\Windows\SoftwareDistribution
   

   and press Enter.

2. Open the Download folder inside.
3. Select all files and folders (Ctrl + A) and Delete them.
   • If some files refuse to delete, ensure the services above are stopped.

Note: You’re only deleting temporary update files; Windows will recreate them.

Step 3: Start the services again

1. Go back to the Services window.
2. Right‑click and Start the services you stopped:
   • Windows Update
   • Background Intelligent Transfer Service (BITS)
   • Cryptographic Services
   • Windows Installer (if you stopped it)

Now open Settings > Windows Update and click Check for updates.

Verify Date, Time, Region, and Language

Incorrect regional or time settings can cause connection and verification failures with Windows Update servers.

1. Open Settings > Time & language.
2. Under Date & time:
   • Turn on Set time automatically.
   • Turn on Set time zone automatically (or manually select the correct time zone).
3. Go to Language & region:
   • Confirm Country or region is set correctly.
   • Ensure at least one language pack (e.g., English (United States)) is fully installed.

After adjusting settings, restart your PC and try updating again.

Run System File Checker (SFC) and DISM

Corrupted system files often cause Windows 11 updates to keep failing. Use SFC and DISM to repair them.

Step 1: Run System File Checker

1. Press Start, type cmd.
2. Right‑click Command Prompt and choose Run as administrator.
3. In the Command Prompt window, run:

   sfc /scannow
   

4. Wait for the scan to reach 100%. This can take some time.
5. Restart your PC.

If SFC reports that it could not fix some files, continue with DISM.

Step 2: Run DISM to repair the component store

1. Open an elevated Command Prompt again (Run as administrator).
2. Type the dism restorehealth command and press Enter.

   DISM /Online /Cleanup-Image /RestoreHealth
   

3. Wait for the command to complete; /RestoreHealth can take 10–30 minutes.
4. Restart your PC when finished and check for updates again.

Change DNS to Google DNS

Sometimes Windows Update fails due to DNS or connectivity issues. Switching to a reliable DNS server, like Google DNS, can help.

1. Press Windows key + R, type ncpa.cpl and press Enter.
2. Right‑click your active network adapter (Wi‑Fi or Ethernet) and choose Properties.
3. Double‑click Internet Protocol Version 4 (TCP/IPv4).
4. Select Use the following DNS server addresses.
5. Enter:
   • Preferred DNS server: 8.8.8.8
   • Alternate DNS server: 8.8.4.4
6. Check Validate settings upon exit, then click OK.
7. Close all windows and restart your PC.

After restart, go to Settings > Windows Update and try again.

Perform a Clean Boot (Eliminate Third‑Party Conflicts)

Again Background apps and third‑party services can prevent Windows updates from installing.

A clean boot starts Windows with only essential services and drivers.

• Press Windows key + R, type msconfig and press Enter.
• Go to the Services tab.
• Check Hide all Microsoft services at the bottom.
• Click Disable all.

• Go to the Startup tab and click Open Task Manager.
• In Task Manager, disable all startup items (right‑click > Disable).

• Close Task Manager and click OK in System Configuration.
• Restart your PC.

Now try running Windows Update again.

When you’re done:

• Reopen msconfig and revert the settings (enable normal startup or re‑enable your usual services/startup apps).

Manually Download the Update from Microsoft Update Catalog

If a specific Windows 11 update keeps failing to install via Windows Update, you can download and install it manually from the official Microsoft Update Catalog.

• Go to Settings > Windows Update > Update history and note the KB number of the update that failed (for example, KB5034123).
• Open your browser and visit https://www.catalog.update.microsoft.com.
• In the search box, type the KB number (for example, KB5034123) and press Enter.

• From the results list, find the entry that matches your version of Windows 11 and system type (for most systems this is Windows 11 x64‑based systems).
• Click Download, then click the link in the popup to download the .msu file.
• After the download finishes, double‑click the file and follow the on‑screen instructions to install it.
• Restart your PC when prompted.
• Go back to Settings > Windows Update and click Check for updates to confirm everything is installed properly.

Use the Windows 11 Installation Assistant (In‑Place Upgrade)

If updates still fail through Settings, you can manually upgrade using Microsoft’s official tools.

Option 1: Windows 11 Installation Assistant

1. Visit the official Microsoft Windows 11 download page.
2. Under Windows 11 Installation Assistant, click Download now.
3. Run the tool and accept the license terms.
4. The assistant will check your device’s compatibility, download the latest version, and start the upgrade.
5. Your PC will restart several times. Keep it plugged in and turned on.

This process performs an in‑place upgrade, which keeps your files, apps, and most settings while refreshing system files.

Option 2: Use the Media Creation Tool / ISO

If the Installation Assistant fails:

1. From the same Microsoft page, download the Media Creation Tool (if offered for Windows 11) or the Windows 11 ISO.
2. Run the tool and choose Upgrade this PC now or mount the ISO and run setup.exe.
3. Choose Keep personal files and apps when prompted.
4. Follow the on‑screen steps to complete the upgrade.

This method bypasses many common Windows Update issues but still preserves your data.

Check Group Policy or Registry (For Managed / Tweaked Systems)

If your device is part of a company network or you’ve used tweak tools, Windows Update might be blocked by policy.

For Windows 11 Pro / Enterprise (Group Policy)

1. Press Windows key + R, type gpedit.msc and press Enter.
2. Navigate to:
   • Computer Configuration > Administrative Templates > Windows Components > Windows Update
3. Check settings like Configure Automatic Updates and Do not connect to any Windows Update Internet locations.
4. Set them to Not Configured or to a reasonable policy that allows updates.

Note: If you’re on a work PC, contact your IT admin before changing policies.

Check Windows Update Error Codes

If you see a specific error (for example, 0x800f0922, 0x80073712, 0x80070002), note it down.

1. Go to Settings > Windows Update.
2. Check for the last failed update details and error code.
3. Search Microsoft’s documentation or trusted tech sites for that exact code.

Many error codes map to specific problems, such as:

• 0x800f0922 – issues connecting to update servers or insufficient System Reserved partition.
• 0x80073712 – missing/corrupt system files.
• 0x80070002 – missing files in the update cache.

In most cases, the SFC/DISM, cache reset, or in‑place upgrade methods above fix them.

How to Prevent Future Windows Update Failures

Once you’ve fixed the problem, a few habits can reduce the chances of Windows Update failing again:

• Keep at least 20–30 GB free on your system drive.
• Avoid force‑shutting down your PC during updates.
• Uninstall outdated drivers and software you no longer use.
• Keep drivers (especially chipset, graphics, network) up to date from your device manufacturer.
• Run SFC and DISM occasionally if you notice system instability.

If you still face issues after trying every method, it may indicate failing hardware (like a bad drive or RAM) or a deeper configuration problem. In that case, consider seeking professional IT support or backing up your data and performing a completely clean install of Windows 11.

Frequently Asked Questions

Is it safe to delete the SoftwareDistribution folder?
Yes—Windows will recreate it automatically. You’re only removing temporary update files, which often fixes “Windows update failed to install” errors.

Does deleting the $WINDOWS.~BT folder cause problems?
No—deleting the $WINDOWS.~BT folder does not normally cause problems. This folder stores temporary setup and upgrade files from previous Windows updates or feature upgrades. If your update is stuck or keeps failing, removing $WINDOWS.~BT can often help, because Windows will simply recreate any necessary files the next time you run Windows Update or start an upgrade.

Is it safe to reset Windows Update components manually?
Yes—as long as you follow the steps carefully, it is safe to reset Windows Update components (stopping services, clearing the SoftwareDistribution folder, and restarting services). These commands only remove cached update files and reset the update services to their default state. They do not delete your personal files or installed apps, and they often fix “Windows update failed to install” or “Windows update keeps failing” issues.

Will running SFC and DISM damage my data?
No—running System File Checker (SFC) and DISM does not delete personal files or user data. These tools only scan and repair corrupted or missing system files and components that Windows uses internally. In many cases, fixing damaged system files is exactly what’s needed when a Windows 11 update keeps failing with different error codes.

Can I safely change my DNS to Google DNS for updates?
Yes—changing your DNS servers to a trusted provider like Google DNS (8.8.8.8 / 8.8.4.4) is safe and reversible. It only affects how your computer looks up website and service addresses on the internet. This change does not modify your personal files or Windows system files, and it can sometimes resolve update download problems when Windows Update fails to connect or gets stuck while checking for updates.