Error: Installation success or error status: 1603 – ThreatDown, powered by Malwarebytes, Support Site

Issue

Unable to install endpoint agent on Windows devices.

Environments

OneView
Windows devices

Symptoms

During installation, did you encounter one of the following:

An error message
Endpoint agent not showing on device
Endpoint not displayed on the Endpoints page

Check for error

The installation attempt failed and a verbose log is needed to troubleshoot the issue. From the local device:

Copy the following command to a text file:

msiexec /i "<fullpath1>\[setupfile].msi" /lv %userprofile%\desktop\MBInstallVerbose.log

Replace <fullpath1> and [setupfile] with the path and name of the setup file.
Copy and paste the command into an elevated Windows Command Prompt.
A MBInstallVerbose.log is created on the desktop.
Open the MBInstallVerbose.log with a text editor.
Search for the error message:
Installation success or error status: 1603

Cause

Installation rollback may cause the installation to fail.

Resolution

Modify the Windows registry to disable rollback on the endpoint, then try installing again.

CAUTION - Modifying the registry can have serious consequences if done incorrectly. Ensure you have a backup of your registry or create a system restore point before making any changes. For more information, see How to back up and restore the registry in Windows.

On the endpoint, press the Windows key + R on your keyboard.
In the Run box, type regedit and press Ok.
Navigate to HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Installer
- If the Installer key does not exist, create it.
  1. Right-click on the Windows key and select New > Key. A new key is created.
  2. Name the key Installer.
- If the DisableRollback entry does not exist within the Installer key, create it.
  1. Right-click on the Installer key and select New > DWORD (32-bit) Value.
  2. Name the entry DisableRollback.
Disable installation rollback on the endpoint. For more information, see DisableRollback.
1. Double-click on DisableRollback and update the value to 1.
2. Click Ok.
  - Setting the value back to 0 will enable rollback functionality.
Close the registry editor.
Run the Endpoint Agent installer again as an administrator.

If the issue persists, contact Support by opening a ticket and attach the verbose log.