Fix Update Error 0x800703f1 KB5019274 in Windows 11

Windows 11 22H2 received the preview version of KB5019274 on 26/01/2023 which was rolled out to the Release Preview Channel first for testing. This LCU increases the OS build to 22621.1194 and is known to have a large number of fixes (15) for different issues. Sadly, for some users, KB5019274 failed to install and error 0x800703f1 or 0x80073701 appears preventing the update.

0x800703f1 KB5019274 Windows update error because of problems with disk. Sometimes, you may also get 0x80073701 when installing this preview version which mostly occurs when the cache is corrupted. See – Fix KB5022303 Failed to Install with Error in Windows 11 22H2.

0x800703f1 KB5019274 in Windows 11 22H2

Here is how to fix Update Error 0x800703f1 KB5019274 in Windows 11 –

Way-1: Run CHKDSK then try to check

Multiple users find that flaws with disk prevent the Windows build 22621.1194 from installing and running the CHKDSK tool can repair this issue –

1. Press Windows and I keys together.
2. Once the Settings app opens, click on – Windows Update.
3. Go to the “Pause updates” section and click on – Pause for one week.
4. Then press – Winkwy+E.
5. After File Explorer appears, copy %windir%\SoftwareDistribution and paste into address bar.
6. Hit – Enter.
7. Select all the content in the folder and delete them.
8. Then empty your Recycle bin so that the deleted files and folders can be removed entirely.
9. Some files may not be deleted; skip them.
10. Right-click on the Start button from taskbar and select Terminal (Admin).
11. Copy chkdsk /v /f /r C:, paste into Windows PowerShell, and hit – Enter.
12. You can see the message:

C:\WINDOWS\system32 chkdsk /v /f /r C:
The type of file system is NTFS.
Cannot lock the current drive.

Chkdsk cannot run because the volume is in use by another
process. Would you like to schedule this volume to be
checked the next time the system restarts? (Y/N)

13. Press Y on your keyboard
14. Hit “Enter”.
15. Now, type Shutdown /rand press ‘Enter’.
16. After some time, the PC will reboot to scan and repair the problems.
17. The process is time-taking as it will check for errors and fix your entire drive C: so stay patient.
18. After next restart, open the Settings and Check for updates.

To know more, read – How to Check Faulty Drives with Chkdsk in Windows 10.

Way-2: Reset the Windows update database cache

When you can not install KB5019274 due to error 0x80073701 broken Windows update database cache is the root cause. The files downloaded during the process are stored in C:\Windows\SoftwareDistribution and when get damaged they interfere with the installation.

There is a certain method following which you can clear and reset and reset them using specific cmd commands. Furthermore, if the previous method is unable to fix KB5019274 0x800703f1 error this can also help.

1. Click on – Start.
2. Type – cmd.exe.
3. Select – Run as administrator.
4. Once a User account control dialog popup opens, choose – Yes.
5. Run the below commands successively –

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

6. Restart the device and then try installing KB5019274.

For Insiders – Windows 11 KB5022360 22621.1192 22H2 Update Release Preview Channel

Way-3: Use in-Place upgrade to successfully install this update

When KB5019274 failed to install KB5019274 with error 0x800703f1 or 0x80073701, this method will be helpful.

in-Place upgrade not only installs a fresh copy of Windows but also updates it to the latest version which may include LCU, preview version, or non-security release. Therefore, follow the steps –

1. Go to the official Microsoft website for Windows 11 downloading – https://www.microsoft.com/en-in/software-download/windows11.
2. Scroll down to the lower part of the page and find – “Download Windows 11 Disk Image (ISO)”.
3. Click the drop-down stating – “Windows 11 (multi-edition ISO)”.
4. Select the “Download” option.

5. Opt for the appropriate language and click on – Confirm.
6. Then select “64-bit Download” (based on the device’s architecture).
7. Right-click on Win11_22H2_Language_x64v1.iso (on my computer) and choose – Mount.
8. Then, launch the setup.exe file.
9. To give your permission, click on – Yes.
10. When ‘Install Windows 11’ wizard appears, select – Next.
11. Accept the license agreement on the coming window.
12. The file will verify that the computer has sufficient space and throws “Ready to install” page.
13. Choose the option – Keep personal files and apps.
14. Finally, click on – Install.

Methods:
Way-1: Run CHKDSK then try to check
Way-2: Reset the Windows update database cache
Way-3: Use in-Place upgrade to successfully install this update

That’s all!!