Delete the entire WindowsSelfHost Key. It will be rebuilt after a reboot:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsSelfHost
Regards,
Unable to join windows insider
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(252.8, 4%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAA%3C/text%3E%3C/svg%3E)
Abdulrahman Abdullah
0
Reputation points
Hi
I am unable to join windows insdier
Please find the screenshot
Thank you.
Windows Insider program | Windows Insider preview | Other
2 answers
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Johnny55 4,330 Reputation points Volunteer Moderator2025-09-29T14:37:30.9566667+00:00 -
Abdulrahman Abdullah 0 Reputation points
2025-09-30T06:16:54.0933333+00:00 thank you for your help first
but still doesn't work..
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Johnny55 4,330 Reputation points Volunteer Moderator
2025-09-30T17:23:00.0133333+00:00 Suggest doing a repair install:
Regards,