0xC1900101 🪟 Windows

Windows upgrade error 0xC1900101 (driver error, rolled back)

A Windows feature update failed and rolled back because a driver crashed or was incompatible during installation.

Seen on: Windows

Meaning

0xC1900101 codes (-0x20004, -0x2000c, -0x20017, -0x30018, -0x3000D, -0x4000D, -0x40017) all point to drivers: storage, graphics, network, antivirus filter drivers or connected USB devices.

Common causes

  • Outdated or incompatible drivers (storage, GPU, Wi-Fi)
  • Third-party antivirus
  • External devices/docking stations attached
  • Not enough disk space

⚡ Quick fix

  1. Update drivers and BIOS
  2. Uninstall third-party antivirus temporarily
  3. Disconnect non-essential USB devices and retry

Detailed fix by platform

Windows

  1. powershell
    # find the failing driver in the setup logs
findstr /i "error" C:\$WINDOWS.~BT\Sources\Panther\setuperr.log

How to diagnose

  1. Logs — setuperr.log / setupact.log
  2. Drivers — Device Manager warnings
  3. AV — Third-party security installed?

🔧 Still not fixed?

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