You might need to uninstall and reinstall Horizon Client if repairing Horizon Client does not solve the problem.
About this task
This procedures shows you how to uninstall Horizon Client if you have the Horizon Client installer. If you do not have the Horizon Client installer, you can uninstall Horizon Client in the same way that you uninstall other applications on your Windows system. For example, you can use the Windows operating system Add or Remove Programs feature to uninstall Horizon Client.
Prerequisites
Verify that you can log in as an administrator on the client system.
Procedure
What to do next
Reinstall Horizon Client. See Installing Horizon Client for Windows.