

If you encounter issues such as SFC scannow not working, DISM getting stuck, etc. Once done, reboot your system and check if the issue disappears. Type the following command and press Enter.ĭISM /Online /Cleanup-Image /RestoreHealth

Once the process ends, check if the issue is fixed. In the pop-up window, type sfc /scannow and press Enter. Then type cmd and press Ctrl + Shift + Enter to run Command Prompt as administrator. To get rid of the error code 0xc1900401, you can run SFC and DISM to repair corrupted system files. You can also check if there are any driver updates available for your devices and install them. You can try disconnecting any unnecessary devices from your PC before updating. Sometimes, external devices (e.g., USB drives, printers, scanners) can interfere with the Windows update process and cause errors. You can try to switch to a wired connection instead of a wireless one or use a different network if possible. Thus, you should make sure that you have a stable and strong internet connection. Check Your Internet ConnectionĪ poor internet connection can cause various problems while downloading and installing Windows updates.

Here are some of the most effective methods that you can try. How to fix the 0xc1900401 error? Depending on the cause of the issue, you may need to try different ways to fix it.

