0xC1900101 — Driver-related upgrade failure
What does this error mean?
A Windows upgrade failed, most commonly because of a driver or hardware device.
Likely causes
- An incompatible or outdated driver
- A device or storage dependency is unavailable
- A recent hardware or software change is interfering with setup
Checks and resolution
- Keep the complete setup error and timestamp.
- Identify the driver or device referenced in setup logs.
- Update, remove or temporarily disconnect the affected component when safe.
- Retry the upgrade after the targeted correction.
Precaution: Avoid broad cleanup scripts or irreversible changes before the failing driver or device has been identified.