Windows 10 Upgrade Error Codes


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So you’re trying to upgrade to Windows 10 and have an error? Here is how to read those error codes and fix what’s wrong.

by Susan Bradley


Single number with 8 digits error code received early on in the process:

Suggests that it’s a Windows update issue. (Example 0x800700)

Troubleshoot with KB956702

https://support.microsoft.com/en-us/kb/956702

Common root causes: WU components not functioning properly, Internet connection issue, Malware

T

wo part error number: Example: 0xc1900101 – 0x2000c and 0xc1900101 – 0x30018

The first part tells you what happened, the second part tells you where.

If the second code starts with 1 or 2 the error occurred during the Down level or WinPE/Safe OS setup phases.

If the second code starts with 3 or 4, the error occurred during the first or second boot.

Code 1 or 2:

Check compatibility of the PC with the manufacturer

Remove security and system utility software

Check integrity of download of ISO and recreate if necessary

Common root causes:

System partition out of space

Damaged installation source files

Incompatible security or utility software

Firmware compatibility or security setting issue

Non standard boot configuration

Code 3 or 4:

Errors in this section are difficult to diagnose to a root cause particularly when they end with 17 or 18. These are often driver errors. Issues in this category may be caused by other software or hardware issues.

Disconnect all non-essential hardware

Update drivers for remaining hardware

Install all available Windows updates

Common root causes:

Incompatible device or driver

Incompatible security or utility software

Issue with the user profiles during migration of data

More resources:

How to: Troubleshoot common Setup and Stop Errors during Windows – Microsoft Community:

http://answers.microsoft.com/en-us/insider/wiki/insider_wintp-insider_install/how-to-troubleshoot-common-setup-and-stop-errors/324d5a5f-d658-456c-bb82-b1201f735683

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