Couldn't connect to the update service

Hi,

Hope everything is going well.

1,We can run the Windows update troubleshooter to see if it fixes the issue:

Select Start > Settings > System > Troubleshoot > Other troubleshooters. Next, under Most Frequent, select Windows Update > Run.

2,Make sure that you’re connected to the Internet. If VPN is connected, turn off to have a try.

3,Check if the Windows Update service is disabled.

4,You can also reset the Windows Update Agent in below article on your Windows 11 computer to have a try.

Refer to: Windows Update - additional resources

Similar threads for your reference:

How to fix Windows Update error

Windows 10 Update We couldn’t connect to the update service. We’ll try again later, or you can check now. If it still doesn’t work, make sure that you’re connected to the Internet.

Hope my answer could help you. Should you have any questions or concerns, please do feel free to contact me.

Best regards,

Simon

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If these are corporate-managed devices and the update policy is being deployed via SCCM or Intune, please verify the update deployment settings to ensure they are pointing to the correct source. Additionally, save the following commands in a .bat file and run it as Administrator to reset the Windows Update components

net stop wuauserv

net stop bits

net stop cryptsvc

ren C:\Windows\SoftwareDistribution SoftwareDistribution.old

ren C:\Windows\System32\catroot2 catroot2.old

net start cryptsvc

net start bits

net start wuauserv