Issue: How to fix Windows update error 0x800f8001?
Hello, I am trying to install the newest update for the Windows Insider Program, but it keeps failing with 0x800f8001. Is there anything that could fix this issue for me? Thanks in advance.
Windows updates are vital addendums to any system, as they provide multiple benefits for users regarding new features, security, and stability. Microsoft operates Windows as a service, hence it ships its updates at least once a month, which usually happens on Tuesday.
Besides the regular update cycle, users who opt into the Windows Insider Program are entitled to updates that are not available to the rest of the regular users. These patches allow those who opt in the program to test out the newest, sometimes experimental features and give feedback to Microsoft, which results in a better product overall.
0x800f8001 is one of the more recent Windows update errors that affected users who are using the Windows Insider Program. According to users' reports, the update would simply not download or get stuck in the middle of the installation, returning the update error.
Windows update errors are very common, and most users would experience one of such issues at least once at some point, regardless if they are using the regular Windows or are participating in the Insider program. Both of the situations can be equally as annoying, as regular users may not get the vital updates that fix bugs or patch vulnerabilities  while those using the Insider program can't try out the newest features – this completely negates the purpose of the program.
In some cases, the 0x800f8001 error might be temporary, as Microsoft might suffer from server issues. Thus, you should first try waiting a few hours or maybe even a day and see if the matter resolves itself. If the issue is persistent, it is time to take action, as there is likely to be a culprit for the error to occur – damaged system files, hardware issues, poor internet connection, etc., can all be the reason for the update error.
Before you proceed with manual solutions to fix the 0x800f8001 error, we recommend you run a scan with FortectMac Washing Machine X9 PC repair and maintenance utility. It can find the system corruption automatically and fix the damaged sectors, ultimately resolving the most common Windows issues, including
1. Try the troubleshooter
We always recommend starting by running a troubleshooter, as it could sometimes find the problem and fix it for you.
- Type Troubleshoot in Windows search
- Select Additional troubleshooters
- Find Windows Update from the list
- Click it and select Run the troubleshooter
- Apply the recommended fixes and restart your machine.
2. Reset Windows Update components
- Type cmd in Windows search
- Right-click on Command Prompt result and select Run as administrator
- Type each of these command lines, pressing Enter every time (wait till the command is fully executed):
net stop bits
net stop wuauserv
net stop appidsvc
net stop cryptsvc
Del “%ALLUSERSPROFILE%\Application Data\Microsoft\Network\Downloader\*.*”
rmdir %systemroot%\SoftwareDistribution /S /Q
rmdir %systemroot%\system32\catroot2 /S /Q
regsvr32.exe /s atl.dll
regsvr32.exe /s urlmon.dll
regsvr32.exe /s mshtml.dll
netsh winsock reset
netsh winsock reset proxy
net start bits
net start wuauserv
net start appidsvc
net start cryptsvc
- Restart your device and attempt to download the update once more.
3. Repair damaged system files
If some of your system components are damaged, the update procedure may fail. Try repairing this damage with the help of SFC and DISM.
- Open Command Promot as administrator as explained above
- Paste the following command into the new window:
- Press Enter and wait till the scan is finished
- Once done, run this set of commands, pressing Enter after each:
DISM /Online /Cleanup-Image /CheckHealth
DISM /Online /Cleanup-Image /ScanHealth
DISM /Online /Cleanup-Image /RestoreHealth
- Restart your PC.
4. Download the update manually
If you participate in the Insider Program, you can try downloading the update manually from the official Microsoft website. Simply choose the version you require (for example, 22621), and download and install it.
5. Reinstall the most recent update
Sometimes, Windows can't go with the next Windows update if the previous one was buggy or was not correctly installed. In such a case, you should uninstall the previous update installed and then initiate the process to install all the available updates at once.
- Type Control Panel in Windows search and press Enter
- Go to Programs > Uninstall a Program
- Select View installed updates on the left
- Sort the updates by the Installed On column
- Find the most recent update, right-click and select Uninstall
- Follow on-screen instructions and restart your system
- Finally, run the Windows update process once more.
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