Issue: While authenticating to Windows User Account Control (UAC) prompt, the Windows Client freezes in the Please wait screen after providing the username.
Reason: This issue happens only in Windows machines with external Nvidia Quadro graphics cards and their drivers installed.
Workaround: Perform the following steps:
Open the configuration file C:\ProgramData\NetIQ\Windows Client\config.properties.
If the file does not exist, create a new file.
Specify gfx_unfreeze: true
The default value of gfx_unfreeze is false.
Save the configuration file.