OneDrive Error Codes

How to Fix OneDrive When It Will Not Start on a PC

Elise Williams Sep 28, 2026 869 views

Question details

The user needs to resolve an issue where the OneDrive application fails to launch or sync on a PC without displaying any error messages.

How to Fix OneDrive When It Won't Start on Your PC

Product: Microsoft OneDrive
Device & OS: Windows PC
Scenario: Launching or synchronizing files using the OneDrive desktop client.
Observed behavior: OneDrive is installed but suddenly stops running and fails to start synchronization, providing no error code or message to help diagnose the issue.

Before you start

Ensure your PC is connected to a stable internet connection and verify that you have administrator privileges to make system changes or reinstall applications.

Solution 1Recommended

Reset the OneDrive Application

Resetting OneDrive clears its temporary data and settings, often resolving underlying launch issues without losing any of your files.

This process forces OneDrive to perform a full system sync and rebuild its operational caches, which is typically the quickest way to clear invisible startup glitches.

Open the Run dialog

Press the Windows key + R simultaneously on your keyboard to open the Run dialog box.

Execute the reset command

Type %localappdata%\Microsoft\OneDrive\onedrive.exe /reset and press Enter.

Try alternative paths if needed

If you see a 'Windows cannot find...' message, try entering C:\Program Files\Microsoft OneDrive\onedrive.exe /reset or C:\Program Files (x86)\Microsoft OneDrive\onedrive.exe /reset.

Restart the application manually

Wait for the OneDrive icon to disappear and reappear in the system tray. If it doesn't reappear automatically within a few minutes, launch OneDrive manually from the Windows Start menu.

No Data Loss: Resetting the application will not delete or alter any files stored in your local OneDrive folder or the cloud.

Solution 2

Unlink and Re-link Your PC to OneDrive

Disconnecting and reconnecting your account can refresh the server connection and force OneDrive to start syncing normally again.

Solution 3

Uninstall and Reinstall the Latest OneDrive Client

If the OneDrive executable is severely damaged, removing the current installation and downloading the latest version will replace corrupted files.

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Frequently Asked Questions

Will resetting OneDrive delete my stored files?

No, resetting OneDrive will not delete any of your local or cloud files. It merely restarts the sync engine and clears temporary application caches to resolve technical glitches.

Why does OneDrive close immediately after I open it?

This is typically caused by corrupted installation files, conflicting background applications, or outdated registry entries. Executing the Windows reset command or performing a clean reinstallation of the app usually fixes this instantly.

How can I check if OneDrive is actually running in the background?

You can verify this by opening the Windows Task Manager (press Ctrl + Shift + Esc) and looking for 'Microsoft OneDrive' under the Processes tab. If it is not listed, the application has stopped running completely.

What should I do if the new OneDrive setup installer fails to run?

Ensure you have completely uninstalled the previous version from your system. Restart your PC, ensure you are logged in with an administrator account, and temporarily disable any third-party antivirus software before running the new setup file.

Microsoft Office Error Codes