Hi Robin Ganderton,
Since this error may be related to the network, you can try the following steps to fix it:
Reset the network
Search for CMD, open and search for Command Prompt (run in administrator mode)
Enter the following commands in the pop-up command box in sequence (enter the following after running each line)
ipconfig /release
ipconfig /renew
ipconfig /flushdns
ipconfig /registerdns
resetting netsh int IP
Netsh Winsock Reset
WinHTTP NETSH Reset Proxy
Restart your computer to see if the problem can be resolved.
If the issue still insists, update the Windows Update Agent to the latest version. https://video2.skills-academy.com/en-us/troubleshoot/windows-client/deployment/update-windows-update-agent
Best regards
Zunhui
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