Windows 7 to windows 10 error upgrade 8007042b - 4000D

Hello

I have a HP Pavilion dm4 running windows 7, 64 bit.  I tried to upgrade to windows 10 and got the error: 8007042b - 4000D

I can't find any information on what shows this error.

Then, I scanned my computer with antivirus and anti-malware program (no problem found).  I have updated with each update and tried again.

I spend the 1st screen that says OK to upgrade computer. I take the step of downloading to do.  It upgrades and then hold on the full range of about 80% and says something like "go back to your old version."

I run McAfee OAS and I'm now trying again with this disabled.

Sorry if I did not quite happy to provide more details about the computer software / the need for information.

Any help or suggestion? TXS!

Here is a solution to your problem from another thread:

Solution: Remove all files from Windows Update, and then run Windows update

-Stop Windows Update service (services.msc)
-Delete all files:
C:\WINDOWS\SoftwareDistribution\Download
C:\Windows\SoftwareDistribution\DataStore

-Start the Windows update service
-Updated, install and you're good :D

--
Robert Kal
Certified Java developer

Tags: Windows

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