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Learn how to fix error code 0xC1900101 with our conventional repair solutions and recover lost data using the method in the third section.


I. Why does the error code 0xC1900101 appear?

When updating or installing the Windows operating system, sometimes you will be prompted that the 0xC1900101 error occurred. This error usually occurs due to a driver-related error. Usually, the following factors may cause this error code to appear:
●The latest driver update is not installed on the computer.
●The installed driver is not compatible with the latest version of Windows system.
code 0xC1900101
Having explored the potential causes of this error code, we will now guide you through several standard solutions to rectify the issue.

II. How to fix the error code 0xC1900101?

1. Make sure your device has enough storage space

To avoid update issues and error codes due to insufficient storage, ensure at least 16GB free space for a 32-bit OS upgrade, or 20GB for a 64-bit OS upgrade.

2. Check the device manager for errors

The Error 0xC1900101 is typically related to driver conflicts. To remedy this situation, you should tackle the driver dilemma in Device Manager by either updating or reinstalling the driver that’s causing trouble. Adhere to the instructions below:
Update drivers:
Step 1: Start your Windows computer and press Windows key + R simultaneously to open the Run dialog. Type devmgmt.msc and click the OK button to access the Device Manager.
open device manager
Step 2: In Device Manager, look for devices signaled by a yellow exclamation mark (be sure to expand categories to check thoroughly). Right-click on the problematic device and select ‘Update Driver Software’.
display adapters - Update drivers
Step 3: In the pop-up window, choose Search automatically for updated driver software. If the issue persists, uninstall and reinstall the driver.
Uninstall and reinstall the driver:
Step 1: Click the Start button, type Device Manager into the taskbar search box, and select Device Manager from the results.
Step 2: Right-click on any device marked with a yellow exclamation point and choose “Uninstall device.”
device manager uninstall device
Step 3: After completing the operation, restart your computer, relaunch Device Manager, click “Action,” and choose “Scan for hardware changes.”
scan for hardware changes-display adapters
Step 4: Use the mouse to select the target device, then click ‘Update Driver’ > Search automatically for updated driver software to initiate an upgrade to the latest device driver.

3. Run Windows Update

To maintain the security and performance of your Windows system, it is crucial to keep it up to date by downloading and installing all available updates through Windows Update. This includes updates for software, hardware, and third-party drivers. Should you encounter any problems, make use of the Windows update troubleshooter to effectively resolve update-related errors.

4. Repair system files

To repair system files and address issues, follow these steps using DISM and SFC commands:
Step 1: Click the Start button, type cmd in the taskbar search box, right-click Command Prompt in the results, and choose Run as administrator.
run as administrator
Step 2: Type DISM.exe /Online /Cleanup-image /Restorehealth in the pop-up window and press the Enter key.
NOTE: You must have administrator privileges to perform this action.
run DISM command
Step 3: Type the command sfc /scannow and press Enter. This will initiate the System File Checker to repair system errors, which may take approximately 30 minutes. Once complete, restart your computer to see if the issue is resolved.
Check and fix system files Windows 10
Here are multiple methods to resolve error code 0xC1900101. Should you lose critical data during error troubleshooting, refer to the subsequent section for recovery instructions.

III. When important data is accidentally lost, use Renee Undeleter

1. What is Renee Undeleter?

Renee Undeleter is a specialized software designed for recovering various data files. It comes in handy when you have accidentally deleted files, cleared the recycle bin, or formatted your disk/storage. This software includes four key modules: Fast Partition Scan, Whole Partition Scan, Whole Disk Scan, and Image Creation, providing comprehensive solutions for a broad spectrum of data loss scenarios to enhance user convenience.
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2. How to restore accidentally lost files with Renee Undeleter?

Step 1: Download and install Renee Undeleter. Launch the program and select the “Fast Partition Scan” option from the main menu.
Note: Do not install on the disk from which you intend to recover data to prevent data overwriting. Use Fast Partition Scan for recently deleted files on built-in disks; for formatted disks, long-time deleted files, or external disk data recovery, opt for the (Whole Partition Scan) or (Whole Disk Scan) function.
fast partition scan with Renee Undeleter
Data Recovery Features:

  • Fast Partition Scan – Quickly retrieve files lost due to accidental deletion or emptying the recycle bin.
  • Whole Partition Scan – Quickly recover files lost due to inaccessible or formatted partitions.
  • Whole Disk Scan – Analyze and get partition information and perform a full scan of the entire partition.
  • Image Creation – You can create a mirror image for a partition to back up the current partition state.
Step 2: Select the partition where data loss occurred and click Next to begin the scanning procedure. Patience is required during this process until completion.
scan disk with Renee Undeleter
Step 3: Select Fast Scan and click Next to begin the scan, covering the initial 30GB of the chosen disk’s free space. Should the file remain undiscovered, switch to Deep Scan for a comprehensive examination. This process is more time-consuming; your patience is appreciated.
fast scan lost data
Step 4: Once the scan is complete, preview the file by double-clicking it. Choose the file you wish to restore and click the Recover button to save it to an alternate disk.
recover files with Renee Undeleter