Understanding the "File Opened in System" Error and How to Resolve It

Encountering the "File Opened in System" message when trying to delete a file can be confusing. This warning indicates that the file is currently in use by one of the system’s services or processes, preventing it from being deleted. Various factors can cause this issue, such as antivirus scanning or background processes.

Why Does the "File Opened in System" Error Occur?

This error typically appears if:

• The file is being used in real-time by a system or application.
• A background service (such as antivirus or firewall) is scanning or blocking the file.
• The file is open in another application, or a previous process did not close properly.

How to Unlock a File for Deletion

1. Close All Applications

Check to ensure the file is not open in any running applications. Often, applications using a file will prevent its deletion.

2. Restart the Computer

Simply rebooting your computer can resolve the issue by closing any active processes associated with the file.

3. Use Task Manager

Open the Task Manager (Ctrl + Shift + Esc) and look for any process using the file. If safe, end the process associated with the file.

4. Use Command Prompt

You can use the command prompt to delete a locked file. Open the command prompt as an administrator and enter the command:

del /f /q "C:\path\to\file"

The /f switch forces deletion, and /q enables silent mode.

5. Temporarily Disable Antivirus

Sometimes antivirus software may lock a file. Temporarily disable the antivirus and attempt to delete the file again. Remember to re-enable the antivirus afterward.