KNOWLEDGE BASE

Error 'This application failed to start because it could not find or load the Qt platform plugin "windows"' When Starting Tableau Desktop


Published: 22 May 2019
Last Modified Date: 23 May 2019

Issue

When starting Tableau Desktop, the following error may occur:

This application failed to start because it could not find or load the Qt platform plugin "windows" in "[...]".
Available platform plugins are: direct2d, minimal, offscreen, windows.

Reinstalling the application may help fix this problem.

Environment

  • Tableau Desktop
  • Windows
  • Plugins

Resolution

To troubleshoot this issue, carry out the following steps:
1. Access the Environmental Variables dialog:
a. Right-click the Windows Start button and then select System.
b. Click the 'Advanced system settings' link.
c. Click Environment Variables. 
2. Under user and system variables, look for the QT_PLUGIN_PATH variable. If this variable exists, take note of the current value in case you need to reverse the change. Then select the variable and click 'Delete'.
3. Close all remaining windows by clicking OK.
4. Reinstall Tableau Desktop.

Cause

An environmental variable setting on your computer points to an incompatible version of the Qt platform plugin.
Did this article resolve the issue?