Your diagnostics settings are preventing this device from getting Insider builds
You’ll encounter this error message below because the Windows Insider Program makes use of diagnostic data to improve the productivity of Windows 10. The diagnostic data is used for the following purposes:
To identify if your device is facing an issue and the same data can be used to fix such issues.The current configuration on your device to judge whether it can accommodate upcoming updates, feature version updates.To check how your device behaves in stages of downloading, pre-installation, post-installation, post-reboot, and set up for getting an update.For checking the performance of updates on your Windows device(s) and to learn from device characteristics after success/failure of updates.When an update is released, not all devices will behave the same and some of the devices may not get the update installed. This data will help Microsoft to decide whether the update can be re-offered to the device.
To resolve this issue of your Windows device not getting Insider builds, you can follow the simple instructions outlined below.
Press Windows key + X to open Power User Menu.Tap N on the keyboard to open the Settings app.In the Settings app, navigate to Privacy > Diagnostics & feedback.Now in the right pane of Diagnostic & feedback, set the radio button to Full option.Exit the Settings app and reboot your device.
The issue should be resolved and you can now start getting Insider builds on your device once again. Pro tip: Microsoft recommends opting out of Insider builds when your PC is using a production build, which is more stable and can remain on your device longer. Insider builds are less stable than production builds, aren’t serviced, and eventually expire.