Windows Update is designed to make keeping your PC secure and up to date as simple as possible. However, you may sometimes run into a confusing situation where an update appears to have been successfully installed, yet Windows Update continues to show the same update as available.
This can happen for several reasons. Windows may not have completed a required restart, the update history may not have refreshed correctly, or the Windows Update cache may contain outdated information.
In other cases, an update may have installed partially, failed silently, or been detected again because Windows could not properly confirm its installation status.
In this guide, you will work through the most practical solutions to resolve this issue!
Updates are installed, but Windows still shows them as available
To fix Windows updates that are installed but still showing as available, follow these quick steps:
- Restart your computer
- Check the update history,
- Run the Windows Update Troubleshooter,
- Reset the Windows Update cache,
- Repair corrupted system files with DISM and SFC, and then check for updates again.
If the same update continues appearing, verify its KB number and install it manually if necessary.
Follow these steps in order, because the earlier solutions can resolve the issue without requiring more advanced changes.
Step 1: Restart Your Windows PC
The first thing to try is a complete restart. Some Windows updates do not finish their installation process until the operating system restarts. Windows Update can therefore continue displaying an update as available even though most of its files have already been installed.
Go to Start > Power > Restart. Do not choose Shut down if you can avoid it, because a restart gives Windows a direct opportunity to complete pending update operations.
After your computer starts again, wait for a minute or two before opening Windows Update. Then go to Settings > Windows Update and select Check for updates. Give Windows a little time to scan your system.
If the update disappears, the problem was likely caused by a pending restart. If it still appears, continue to the next step.
Step 2: Check Your Windows Update History
Before changing anything, check whether Windows actually recorded the update as installed. This helps you determine whether you are dealing with a display problem or an installation problem.
Go to Settings > Windows Update > Update history. You will see a list of recent Quality Updates, Driver Updates, Definition Updates, and other update categories, depending on your Windows installation.
Look for the update that Windows keeps offering. Pay particular attention to its KB number, such as KB1234567.
If the same KB number appears under successfully installed updates, Windows may simply be detecting it incorrectly. If you cannot find it in the installation history, the update may not have completed successfully.
Knowing the KB number is also useful for the troubleshooting steps later in this guide.
Step 3: Run the Windows Update Troubleshooter
Windows includes a built-in troubleshooter that can identify common problems affecting Windows Update services, configuration, and update detection.
Go to Settings > System > Troubleshoot > Other troubleshooters. Find Windows Update and select Run.
Let Windows complete the diagnostic process. Depending on what it finds, the troubleshooter may automatically repair certain settings or recommend an action.
When the process finishes, restart your PC. Then go to Settings > Windows Update and select Check for updates.
If Windows no longer lists the supposedly installed update, you are done. If it continues appearing, move on to the Windows Update cache.
Step 4: Reset the Windows Update Cache
Windows stores temporary update files and information in several system folders. If this cached information becomes corrupted or outdated, Windows Update can repeatedly offer an update that has already been installed.
For beginners, the easiest approach is to reset the Windows Update components using Command Prompt as administrator.
Go to Start > type Command Prompt > right-click Command Prompt > Run as administrator. Select Yes if Windows asks for permission.
In the Administrator Command Prompt window, stop the Windows Update-related services before clearing their temporary data. Enter the following commands one at a time:
net stop wuauserv
net stop bits
net stop cryptsvc
net stop msiserver
After each command, wait for Windows to confirm that the service has stopped.
Next, open File Explorer and go to C:\Windows\SoftwareDistribution. You can rename this folder to something such as SoftwareDistribution.old. Windows will create a fresh SoftwareDistribution folder automatically when Windows Update runs again.
Then return to the Administrator Command Prompt and restart the services:
net start wuauserv
net start bits
net start cryptsvc
net start msiserver
Restart your computer and go to Settings > Windows Update > Check for updates. Windows will rebuild the required update cache and perform a fresh detection.
Step 5: Repair Windows System Files
If Windows continues detecting the same update, corrupted or damaged system components could be interfering with update detection.
Windows provides two built-in tools for this situation: DISM and System File Checker, commonly called SFC.
Go to Start > type Command Prompt > right-click Command Prompt > Run as administrator.
First, run the Deployment Image Servicing and Management tool by entering:
DISM /Online /Cleanup-Image /RestoreHealth
Press Enter and allow the process to finish. It can take several minutes, and the percentage may appear to remain at one point for a while. Avoid closing the Command Prompt window while it is working.
After DISM finishes, run:
sfc /scannow
Press Enter and wait until the scan reaches 100 percent.
Once both commands have completed, restart Windows. Then go to Settings > Windows Update and select Check for updates again.
Step 6: Check the Update’s KB Number
If the update still appears, identify its exact KB number. This is especially important when Windows says the update is installed but repeatedly offers it again.
Go to Settings > Windows Update > Update history and find the relevant update. Write down its KB number.
You can then compare that KB number with the update currently being offered in Windows Update. If the numbers are different, Windows may actually be offering a newer revision rather than the same update.
If the KB number is identical and it is already listed as successfully installed, Windows may have an update detection or component-store issue rather than a genuinely missing update.
Step 7: Install the Update Manually
As a final option, you can manually install the specific update. This is particularly useful when Windows Update repeatedly offers the same KB package.
First, confirm the exact KB number, Windows version, system architecture, and update type. Then search Microsoft’s official update catalog for that specific KB number.
Download the package that matches your version of Windows and your system architecture. Open the downloaded installer and follow the instructions on screen.
After the installation finishes, restart your computer. Then go to Settings > Windows Update and check for updates again.
If Windows still shows the update after a successful manual installation, avoid repeatedly installing the same package. At that point, the issue is more likely related to Windows Update detection, servicing components, or the Windows component store.
FAQs
Why does Windows keep showing an update that is already installed?
This usually happens because Windows Update has not refreshed its detection information correctly. A pending restart, corrupted update cache, incomplete installation, or damaged system component can also cause the same update to appear repeatedly.
Should I keep installing the same Windows update?
No. If the same KB update is already confirmed as successfully installed, repeatedly installing it is usually unnecessary. Check Update history first and verify the KB number before trying another installation.
Will resetting the Windows Update cache delete my personal files?
No. Resetting the Windows Update cache removes temporary update-related data. It does not normally delete your documents, photos, applications, or personal files.
What if DISM and SFC do not fix the problem?
If DISM and SFC complete successfully but Windows continues offering the same installed update, the problem may involve Windows servicing components or a specific update package. At that point, checking the exact KB number and investigating that particular update is the better approach.
Does restarting Windows really help with updates?
Yes. Some updates require a restart to complete installation. Until Windows restarts, the update may remain in a pending state even though many of its files have already been installed.
Summary
When Windows shows an update as available even though you believe it has already been installed, do not immediately assume that Windows needs to be reinstalled. Start by restarting the PC and checking Update history to confirm the update’s status.
If the issue remains, run the Windows Update Troubleshooter, reset the Windows Update cache, and repair system components with DISM and SFC. Finally, check the update’s KB number and consider installing the specific package manually.
In most cases, these steps help Windows rebuild its update information and correctly recognize that the update is already installed.