OneDrive Error Codes

How to Fix OneDrive Sign-In Error 0x8004de40

Maira Mehtab Sep 20, 2026 869 views

Question details

The user is unable to sign in to OneDrive, receiving error code 0x8004de40 with a message stating there is a problem connecting to the internet. Standard resetting and reinstalling efforts fail across multiple computers.

Product: Microsoft OneDrive
Device & OS: not provided
Scenario: Attempting to sign in to the OneDrive desktop application to access cloud files.
Observed behavior: OneDrive displays 'There was a problem connecting to OneDrive' with error 0x8004de40. The reset process fails, and reinstalling the app does not resolve the connectivity issue.

Before you start

Verify that your device is connected to a stable internet network and check the Microsoft Office 365 Service Health dashboard to ensure there are no ongoing server outages affecting OneDrive.

Solution 1Recommended

Perform a Clean Reinstallation and Reset

Since generic reset methods may fail for this specific error, performing a complete reinstallation combined with the official reset command can help clear corrupted application states.

If the standard reset fails, removing the application entirely before attempting a fresh reset can sometimes bypass the corrupted local cache.

Uninstall OneDrive

Open your system settings, navigate to the installed applications list, locate Microsoft OneDrive, and select 'Uninstall'.

Reinstall the application

Download the latest version of the OneDrive client from the official Microsoft website and complete the installation process.

Execute the reset command

Press Windows Key + R to open the Run dialog, type '%localappdata%\Microsoft\OneDrive\onedrive.exe /reset', and press Enter to reset the application state.

File Safety: Resetting or reinstalling OneDrive does not delete your files. All data previously synced to the cloud will remain safe.

Solution 2

Investigate Broader Network or Service Issues

Error 0x8004de40 often points to a larger network configuration or Azure Active Directory connectivity problem when multiple computers are affected.

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Frequently Asked Questions

Will resetting OneDrive delete my stored files?

No, resetting OneDrive only clears the application's local sync settings and state cache. Your files stored in the cloud are perfectly safe and will resync once you sign in.

What does OneDrive error code 0x8004de40 indicate?

This specific error code indicates that the OneDrive app cannot connect to Microsoft servers. It is usually caused by network instability, restrictive proxy settings, or an ongoing Microsoft service outage.

Why does the OneDrive reset command fail to execute?

The reset command may fail if the core application files are deeply corrupted, if there are restrictive local permissions, or if the underlying network issue prevents the app from authenticating its reset state with the server.

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