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Hall's avatar
Hall
Iron Contributor
Jun 20, 2025

Need help to upgrade Windows 10 to Windows 11 24H2

For no reason, I can't upgrade Windows 10 to the latest Windows 11 24H2. When I run the setup.exe from mounted Windows ISO for an in-place upgrade, the error code 0x8007007f shows up at the end of th...
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Nguyenais's avatar
Nguyenais
Bronze Contributor
Jun 20, 2025

The error code 0x8007007f during Windows 11 installation or update usually indicates a "ERROR_PROC_NOT_FOUND". This means a system process or required file/function could not be found or accessed properly. This can happen due to corrupted system files, driver issues, incompatible software, or hardware conflicts.

How to fix this error for upgrading Windows 10 to Windows 11 24H2:

1. Run Windows Update Troubleshooter

Settings > System > Troubleshoot > Other troubleshooters > Windows Update > Run

This tool detects and fixes common update problems automatically.

2. Run System File Checker (SFC) and DISM tools

sfc /scannow

After it completes, run:

DISM /Online /Cleanup-Image /RestoreHealth

These commands repair corrupted system files.

3. Update all device drivers

Use Device Manager or manufacturer websites to download and install latest drivers.

Especially focus on display, storage, and chipset drivers.

4. Check hardware health

Sometimes faulty RAM or disk issues cause installation errors.

Run Memory Diagnostic (mdsched.exe) and check your hard drive with chkdsk.

If the error persists after these steps, please share the exact context (e.g., upgrade, clean install, update), and I can help you with more specific troubleshooting or alternative installation methods when it comes to upgrade Windows 10 to Windows 11 24H2 on unsupported hardware.