Avoid removing safe executable files, as doing so may disrupt related applications. Consistently updating your software can prevent issues with file corruption. Make it a habit to check for updates to drivers and software regularly.

To verify the security of questionable files, employ a system diagnostic tool such as the one listed below. These tools can eradicate malware if deemed dangerous. In cases where the NOBuClient.exe file is safe but needs deletion, utilize its uninstaller MsiExec.exe /X{40A66DF6-22D3-44B5-A7D3-83B118A2C0DC}, or use the ‘Uninstall a Program’ feature found in the Windows Control Panel.

This guide provides step-by-step instructions on how to remove a program Norton Online Backup in Windows 8, 10, and 11.

Windows 8

1. Access Control Panel: Right-click on the bottom left corner of the screen and select “Control Panel” from the menu.
2. Open Programs and Features: Click on “Programs” and then “Programs and Features.”
3. Uninstall the Program:
   1. Find “Norton Online Backup” in the list.
   2. Click on it to highlight, and then click on “Uninstall” at the top of the list.
   3. Follow the on-screen instructions to complete the uninstallation process.

Windows 10

1. Open Settings: Click on the Start Menu and then the gear icon to open Settings.
2. Go to Apps: Click on “Apps.”
3. Uninstall the Program:
   1. Scroll down to find “Norton Online Backup” in the list of installed apps.
   2. Click on it and then select “Uninstall.”
   3. Confirm by clicking “Uninstall” again in the pop-up window.

Windows 11

1. Access Settings: Right-click on the Start button and select “Settings.”
2. Navigate to Apps: In the Settings window, click on “Apps” and then “Apps & features.”
3. Remove the Program:
   1. Locate “Norton Online Backup” in the list of apps.
   2. Click on the three dots (ellipsis) next to the program name.
   3. Select “Uninstall” and follow the on-screen instructions to complete the process.

Note: The steps may vary slightly based on the specific version and updates of Windows.