There are two different tools that you can use to troubleshoot this problem –
Local Group Policy Editor andRegistry Editor.
Either way, it is mandatory to make a change in the existing file or setting.
Fix OneDrive won’t start in Windows 11/10
If OneDrive won’t start, launch or open in Windows 11 or Windows 10, follow these steps. But before you begin, Reset OneDrive and see if it helps.
1] Using Local Group Policy Editor
You need to open the Local Group Policy Editor on your computer. For that, press Win+R, type gpedit.msc and hit the Enter button. Alternatively, you can search for the same in the Start Menu, and click the corresponding result. After opening the Local Group Policy Editor, navigate to the following path- Computer Configuration > Administrative Templates > Windows Components > OneDrive Here you can find a setting called Prevent the usage of OneDrive for file storage. Double-click on it and make sure that it is set as Not Configured or Disabled. If not, click on either radio button, and then OK button respectively. Following that, restart your computer and check if it is opening or not. Read: OneDrive not opening on startup
2] Using Registry Editor
Before changing anything in your computer, it is recommended to create a System Restore point and backup all Registry files to be on the safe side. To get started, press the Win+R buttons together, type regedit, and hit the Enter button. If you see the UAC prompt, click the Yes button to open the Registry Editor on your computer. Following that, navigate to this path- Here you can find a REG_DWORD value named DisableFileSyncNGSC. If it is visible on the right-hand side, double-click on it, and make sure that the value is set as 0. If not, make the change, and click the OK button to save it. For your information, this REG_WORD value might not be available on your computer. In that case, it is recommended to opt for the Local Group Policy Editor setting. After that, restart your computer, and check if OneDrive is opening smoothly or not. Read: How to fix OneDrive errors on Windows 11/10. Hope it helps.