Windows 10: Error update windows insider

Hello. My Windows displayed the message stating that the build will be expired soon.
When trying to update the version, I received the following message:

"We encountered a problem with your request. Please visit Microsoft Support Contact Us page for assistance. Refer to Message Code 715-123130 and Transaction ID c82c9195-6e8b-4e61-b6c5-ca6d57d89385."

:)

 

Windows Won't Update? (Error 0x80d0602)

When I get to the step that says del %ALLUSERSPROFILE%\Application Data\Microsoft\Network\Downloader\qmgr*.dat, nothing happens.

When I get to step 5 and type in

• regsvr32.exe mshtml.dllN

It gives me this:

 

Receiving preview Windows updates even I'm not opt-in for the Insider Program

Hi Red,

This issue installing Windows Insider could have happened due to the version of your Windows. To properly diagnose this issue, we would like to know more about the issue by asking the following questions below:

• Which version of Windows are you running?
• Have you tried registering on Windows Insider?

We also suggest that you follow the steps provided in this
article. This will give you a step to stop receiving Windows Insider updates.

Update us with the result so we can further assist you.

 

Supported phones for Windows 10 Mobile Insider Preview


Your list confirms my phone is eligible, Lumia 521. The windows Insider App fails after ~ 15 seconds, restores data and gives me error 80073cf9. I trouble shot this and went thru all the steps mentioned on several websites including MS without any luck. Short of a hard reset, this is where I am now. Suggestions appreciated.