How To Uninstall Dell Threat Defense
Summary: Learn how to uninstall Dell Threat Defense following these step-by-step instructions for either Windows or Mac.
Instructions
- As of May 2022, Dell Threat Defense has reached End of Maintenance. This product and its articles are no longer updated by Dell. For more information, reference Product Life Cycle (End of Support and End of Life) Policy for Dell Data Security. If you have any questions on alternative articles, either reach out to your sales team or contact endpointsecurity@dell.com.
- Reference Endpoint Security for additional information about current products.
Dell Threat Defense may require uninstallation from an endpoint to:
- Fix licensing discrepancies.
- Troubleshoot the product.
- Address operating system incompatibilities.
Affected Products:
- Dell Threat Defense
Affected Versions:
- v1.0 and Later
Affected Operating Systems:
- Windows
- Mac
The uninstallation process differs between Windows and Mac. Click the appropriate operating system for the steps to uninstall Dell Threat Defense.
Windows
Dell Threat Defense can be uninstalled on Windows through the:
Click the preferred method for more information.
UI
- Select Programs and Features from the Control Panel menu.

- Select Dell Threat Defense and then click Uninstall.

- In the Dell Threat Defense Setup menu, select Uninstall.
Note: If a failure is encountered during uninstall, reference How to Collect Logs for Dell Threat Defense. - On successful uninstallation, click Close.

CLI
Dell Threat Defense allows flexibility in command-line uninstallation options through the usage of switches, options, and parameters.
- Open the Command Prompt as an administrator.
- Use the following commands depending on the installation package used to install the agent.
| Install Agent | Standard Install | Windows Installer |
|---|---|---|
DellThreatDefense_x64.msi |
msiexec /uninstall DellThreatDefense_x64.msi |
msiexec /x DellThreatDefense_x64.msi |
DellThreatDefense_x86.msi |
msiexec /uninstall DellThreatDefense_x86.msi |
msiexec /x DellThreatDefense_x86.msi |
DellThreatDefenseSetup.exe |
DellThreatDefenseSetup.exe /uninstall |
Not applicable |
| Switch | Meaning |
|---|---|
/V |
Pass variables to the .msi inside the executable. The content must always be enclosed in plain-text quotes. |
/S |
Silent Mode |
/X |
Uninstall Mode |
/L*V |
Logging verbose output. The content must always be enclosed in plain-text quotes. |
| Option | Meaning |
|---|---|
/qb |
User interface with Cancel button. Prompts for device reboot on installation completion. |
/qb- |
Installation UI with Cancel button. Reboots device automatically on installation completion. |
/qb! |
User interface without Cancel button. Prompts for device reboot on installation completion. |
/qb!- |
Installation UI without Cancel button. Reboots device automatically on installation completion. |
/qn |
No user interface. |
| Property | Values | Description |
|---|---|---|
UNINSTALLKEY |
<password> | Auto input password |
CLI Installation Examples:
Example #1
msiexec /x DellThreatDefense_x64.msi /qn UNINSTALLKEY=<PASSWORD> /Lxv* C:\temp\install.log
Example #1 contains:
- Installer =
DellThreatDefense_x64.msi - Silent install = Yes
- Hidden install = Yes
- Password Protected = Yes
- Log verbosely = Yes
- Installation log directory =
C:\temp\install.log
Example #2
msiexec /uninstall DellThreatDefense_x86.msi /quiet /Lxv* C:\temp\install.log
Example #2 contains:
- Installer =
DellThreatDefense_x86.msi - Silent install = Yes
- Hidden install = No
- Password Protected = No
- Log verbosely = Yes
- Installation log directory =
C:\temp\install.log
Mac
The uninstallation of Dell Threat Defense varies based on version. Click either v1.2.1382 and Later or v1.2.1372 for specific steps. For versioning information, reference How to Identify the Dell Threat Defense Version.
v1.2.1382 and Later
- Search using Spotlight for Uninstall Dell Threat Defense.

- Double-click Uninstall DellThreatDefense.
- A prompt requesting a password for uninstall may appear. Enter the password provided by the Dell Threat Defense administrator, click OK, and then go to Step 5. For more information about enabling or disabling the uninstall password, reference the Settings section of How To Manage Dell Threat Defense. If a password prompt does not occur, go to Step 4.
- Click Yes to confirm uninstall of DellThreatDefense.

- Populate the Username and Password of a local administrator and then click OK to initiate an uninstallation. This administrator restriction is designed to prevent power users and guests from removing the application.

- Uninstall is complete. No restart is required.
Note: If a failure is encountered during uninstall, reference How to Collect Logs for Dell Threat Defense.
v1.2.1372
- Search using Spotlight for Uninstall CylancePROTECT.

- Double-click Uninstall CylancePROTECT.
- A CylancePROTECT UI prompt requesting a password for uninstall may appear. Enter the password provided by the Dell Threat Defense administrator, click OK, and then go to Step 5. For more information about enabling or disabling the uninstall password, reference the Settings section of How To Manage Dell Threat Defense. If a password prompt does not occur, go to Step 4.

- Click Yes to confirm uninstall of CylancePROTECT.

- Populate the Username and Password of a local administrator and then click OK to initiate an uninstallation. This administrator restriction is designed to prevent power users and guests from removing CylancePROTECT.

- Uninstall is complete. No restart is required.
Note: If a failure is encountered during uninstall, reference How to Collect Logs for Dell Threat Defense.
To contact support, reference Dell Data Security International Support Phone Numbers.
Go to TechDirect to generate a technical support request online.
For additional insights and resources, join the Dell Security Community Forum.