Software⏱️ 3 min read📅 2026-06-15

How to Fix 0xC1900101 Error – Windows 8 upgrade to windows 8.1 Pro fails with error code 0xC1900101 - 0x2000C

Windows upgrade error code 0xC1900101 - 0x2000C fix for Dell XPS 8700 i5, 12GB Ram, 4 CPUs

Quick Answer: Check system requirements and ensure all drivers are up-to-date before upgrading to Windows 8.1 Pro.

📋 Table of Contents

  1. 🔍 Why This Happens
  2. ✅ Best Solutions to Fix It
  3. ✨ Wrapping Up

Windows 8 users who attempt to upgrade their operating system to Windows 8.1 Pro may encounter an error code of 0xC1900101 - 0x2000C. This error typically occurs when the upgrade process fails due to a lack of required drivers or insufficient system resources. The Dell XPS 8700 desktop, with its i5 processor, 12GB RAM, and 4 CPUs at 3 GHz, may be particularly susceptible to this issue.

This error can be frustrating for users who have already invested time and effort into preparing their system for the upgrade process. However, by following these steps, it is possible to resolve the issue and successfully install Windows 8.1 Pro.

🔍 Why This Happens

  • The primary reason for this error is that the Windows Upgrade Tool requires specific drivers to be installed on the system before proceeding with the upgrade. If these drivers are not present or are outdated, the upgrade process will fail, resulting in the error code 0xC1900101 - 0x2000C.
  • An alternative cause for this issue may be related to insufficient system resources, such as RAM or CPU power. In some cases, the Windows Upgrade Tool may require more resources than are available on the system, leading to a failure during the upgrade process.

✅ Best Solutions to Fix It

Manually installing required drivers

  1. Step 1: Step 1: Open the Device Manager on your Dell XPS 8700 desktop. To do this, press the Windows key + X and select Device Manager from the context menu.
  2. Step 2: Step 2: In the Device Manager, expand the 'Display Adapters' section and look for any outdated or missing drivers. Right-click on these devices and select 'Update driver'. Follow the prompts to search for and install the latest drivers.
  3. Step 3: Step 3: Repeat Step 2 for all other device categories, such as 'Network Adapters', 'Sound, video and game controllers', and 'Storage devices'. Ensure that all drivers are up-to-date and installed correctly.

Checking system resources

  1. Step 1: Step 1: Open the Task Manager on your Dell XPS 8700 desktop. To do this, press the Ctrl + Shift + Esc keys simultaneously.
  2. Step 2: Step 2: In the Task Manager, click on the 'Performance' tab and monitor the CPU, memory (RAM), and disk usage. Ensure that these resources are not overused or underutilized during the upgrade process.

✨ Wrapping Up

By following these steps, you should be able to resolve the error code 0xC1900101 - 0x2000C and successfully install Windows 8.1 Pro on your Dell XPS 8700 desktop. If you encounter any further issues, it may be necessary to seek additional assistance from Microsoft or a professional IT technician.

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