OneDrive: How to fix error code 0x8004de40

The error code 0x8004de40 usually indicates a connection problem in OneDrive. The error can usually be quickly fixed again

OneDrive: How to fix error 0x8004de40

Open OneDrive on your Windows PC or try to log in, in rare cases you may encounter error 0x8004de40. This code indicates that the OneDrive software cannot connect to the cloud servers. There can be several reasons for this, so you need to follow several approaches to solve it as well.

• PC restart: It sounds simple, but it is worth a try: restart your PC and try to connect to OneDrive again. Sometimes this already solves the problem.

• Check internet connection: Make sure your PC is connected to the Internet and the connection is stable. Test this by opening a web page in your browser. Also, check your proxy settings.

• Disable firewall: If you have a software firewall installed on your computer, it may partially or completely block OneDrive. Turn it off as a test or create an exception rule.

• Update OneDrive: Make sure you are using the latest version of OneDrive. OneDrive is usually updated automatically via Windows Update. However, you can also download the OneDrive installation files and start an update manually.

• Reinstall OneDrive: Since OneDrive is an integral part of the operating system as of Windows 8.1, uninstalling and then reinstalling it is a bit complicated, but still possible. Here you can read how to reinstall OneDrive.

More tips to solve error 0x8004de40: You can also do this

If error 0x8004de40 continues to occur in OneDrive, you can also follow these steps:

• Relink user account: click the OneDrive icon in the notification area of the taskbar. Select the gear icon and then select Settings. In the Account section, you can now unlink this PC. Then log back in with your credentials.

• Register in Microsoft Office: If you have installed another Office application such as Word or Excel, log out and log back in there as well. Use the same access data as for OneDrive.

• Reconnect Azure Active Directory: Errors with Azure Active Directory (AAD) can also cause the error. To resolve, launch the command prompt with administrator privileges and run the following two commands: dsregcmd /leave and dsregcmd /join. Then restart the PC.

• Enable TLS protocols: The computer must have the correct version of the TLS (Transport Layer Security) encryption protocol enabled. To do this, press [Win] + [R] and run the inetcpl.cpl command. Go to the Advanced section and make sure that TLS 1.0, TLS 1.1 and TLS 1.2 are enabled.

• OneDrive server malfunction: It is also possible that there is a malfunction of the OneDrive servers or maintenance is being performed. In this case, there is nothing you can do but wait until OneDrive is available again.