Fix 0x800f0835 Windows Update error

The Windows Update error 0x800f0835 typically occurs due to issues with Windows Update components, corrupted system files, or conflicting software.

Fix 0x800f0835 Windows Update error

To fix the Windows Update error 0x800f0835 in Windows 11/10:

1. Run Windows Update Troubleshooter
2. Clear Windows Update cache
3. Run Windows Update in Clean Boot State
4. Manually install the update
5. Reinstall Windows 11 using Windows Update

Before you proceed, restart the PC and router.

1] Run Windows Update Troubleshooter

• Press Win+I to open Settings.
• Go to Update & Security > Troubleshoot > Additional troubleshooters.
• Select Windows Update and click Run the troubleshooter.
• Follow the on-screen instructions to resolve any detected issues.

Read: Windows Update Troubleshooter not working

2] Clear Windows update cache

Corrupted cache files can cause this error. To clean the update cache, stop the services related to Windows Update, delete files in C:\Windows\SoftwareDistribution and restart all the services.

• Open Windows Terminal as Administrator.
• Run the following commands to stop the services:

net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver

• Open File Explorer and navigate to C:\Windows\SoftwareDistribution
• Delete all files and folders in the SoftwareDistribution folder.
• In the same terminal, run the following command to restart the services.

net start wuauserv
net start cryptSvc
net start bits
net start msiserver

You can also choose to rename the folders to SoftwareDistribution.old or the Catroot2 folder to catroot2.old so the update process is forced to create a new one.

3] Run Windows Update in Clean Boot State

Perform Clean Boot and then run Windows Update and see if it works.

4] Manually install the update

If the error is related to a specific update, it’s best to download it directly from Microsoft.

1. Visit the Microsoft Update Catalog.
2. Please search for the update using its KB number.
3. Download and install it manually.

5] Reinstall Windows 11 using Windows Update

To reinstall Windows 11 using Windows Update without losing data:

• Press Win+I to open Windows Settings
• Click on System settings on the left side
• On the right side, scroll down a bit and select Recovery.
• Locate the Fix problems using Windows Update section
• Click on the Reinstall now button.
• A blue window will appear. You may select the Automatically restart my PC 15 minutes after installation check box and click on OK
• Your PC will start and the repair process will commence.

Then run Windows Update and see.

How can I identify which update is causing the 0x800f0835 error?

To identify the specific update causing the 0x800f0835 error, you can start by checking your update history. Navigate to Settings > Update & Security > Windows Update > View update history and look for failed updates with error codes. For more detailed insights, open the Event Viewer and review the logs under Windows Logs > System, focusing on entries from WindowsUpdateClient.

Can third-party software cause the 0x800f0835 error?

Antivirus might block update components. VPN or proxies can disrupt communication with Microsoft servers. Hence, you should run Windows Update in Clean Bott State if you see the error code.