Try redoing the process to disable the safe mode via command, using an installation USB to find out if the problem persists, it may not have worked due to some permission issue.
Create the installation USB on another computer and run the procedure.
- Download and run the tool: MediaCreationTool.exe.
https://go.microsoft.com/fwlink/?LinkId=691209
- Accept the License Terms.
- Click Create installation media for another computer.
- Deselect the Use the recommended options for this computer option.
- Select the Language, Edition and Architecture.
- Click USB Flash Drive.
- Insert the removable media.
- The Windows 10 download will begin.
- Wait and follow the tool's procedures until the end of the media creation.
After finishing creating the USB, follow the procedures below.
- Boot the Windows 10 installation media.
- Click Repair Computer.
- Click Troubleshooting.
- Click Advanced Options.
- Click Command Prompt.
- Type the command
bcdedit /deletevalue {default} safeboot
and press Enter;
- Restart your computer and check if the problem persists please.