WSL will not start ever since windows 11 upgraded to 24H2

windows 11 24h2 was installed on my PC this week. Ever since, WSL will not start.

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When I press any key to install WSL I get an error “connection with the server could not be established”

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I have rebooted the PC a number of times.
In control panel, programs and features, WSL and VM platform are checked.

How do I update WSL to the latest version?