Windows 11 installation error

Bader Y. Al-Baloul 1 Reputation point


My PC meets the requirement for windows 11 upgrade, but during installation i recieve bluescreen error "ATTEMPTED_WRITE_TO_READONLY_MEMORY" and the error code i receive is "0xc1900101".

I did many things to try to get it working:

  1. Reset PC (Full Reset).
  2. Update BIOS.
  3. Clean Boot.
  4. Run Safe Mode and update.
  5. Clean registry for any errors.
  6. Remove all USBS just Keyboard/Mouse.
  7. Did SFC Scan / ChkDsk / Restore

The below are Windows Update Troubleshoot through Windows.


Windows 11
Windows 11
A Microsoft operating system designed for productivity, creativity, and ease of use.
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  1. Kapil Arya 6,196 Reputation points MVP

    If you get This PC meets Windows 11 requirements with PC Health Check app, then you can try manual upgrade:

    Or you can also use Windows 11 Installation Assistant which you can download from here:

    Let us know if this helps!

    Note: Included link in this reply refers to blog post by a trusted Microsoft MVP.