Unable to remove the Countercept MDR agent

Issue:

Unable to remove the Countercept MDR agent
Unable to install Countercept MDR agent due to older version of MDR agent Conflicting.

Resolution:

This article provides instructions on how to uninstall the Countercept MDR Agent on Windows, Mac, and Linux systems.

Important Notes:

It is recommended to back up any critical data before proceeding with the uninstallation.
Uninstalling the agent will disable endpoint protection on the system. Ensure a new security solution is in place before removing the agent.

Windows Uninstall:

Option A: Using the Installer

Download the latest version of the Countercept MDR agent installer.
Right-click on the downloaded installer and select "Run as administrator".
During the installation process, choose the "Uninstall" option.

Option B: Using fs_uninstall_32.exe

Navigate to the following directory: C:\Program Files (x86)\F-Secure\MDR
Right-click on fs_uninstall_32.exe and select "Run as administrator".

To perform a silent uninstall, use the following command:


C:\Program Files (x86)\F-Secure\MDR\fs_uninstall_32.exe --silent

Additional Steps for Older Versions:

Create a text file named namespace.txt in the following directory: C:\Program Files (x86)\F-Secure\MDR
Add the text "mdr" (without quotes) to the namespace.txt file and save it.
Run the following command as administrator:
```
C:\Program Files (x86)\F-Secure\MDR\ultralight\ulcore\<version>\uninstall.exe --namespace mdr --silent
```
- Replace <version> with the actual version number of the ulcore folder.

Note: The additional steps are likely required for older versions of the Countercept MDR agent. If you are using the latest version, these steps may not be necessary.

Option C: Using Uninstallation Tool (Caution)

Download the WithSecure Uninstallation Tool from: https://www.withsecure.com/en/support/support-tools
Run the WsUninstallationTool.exe executable.
Be cautious: This tool removes all WithSecure products if present.
The tool offers a silent uninstall option (refer to the tool's documentation for details).

Mac Uninstall:

Open Terminal with root privileges.

Run the following command:


/Library/WithSecure-mdr/bin/uninstall_MacProtection

Linux Uninstall:

For Debian-based distributions:

Open a terminal with root privileges.
Run the following command:
```
apt-get remove f-secure-mdr
```

For RPM-based distributions:

Open a terminal with root privileges.
Run the following command:
```
rpm -e f-secure-mdr
```

Additional Steps (Linux):

To remove all agent-related files, navigate to the following directories and delete them:
- /etc/opt/f-secure/mdr
- /var/opt/f-secure/mdr

Post-Uninstall:

Reboot the system after uninstalling the agent on any platform (Windows, Mac, or Linux).
Verify that the agent is successfully removed by checking the installed programs list or relevant system logs.
Reinstall the latest version of the Countercept MDR agent if desired.