With this Flag you can adjust, if Windows Shell error messages, e.g. about inaccessible or unavailable folders or files, will be shown to the user or not.

TJamShellCombo.ColorCompressed 

TJamShellCombo.ColorEncrypted 

TJamShellCombo.ShowHidden 

TJamShellCombo.ShowNethood 

TJamShellCombo.ShowRecycleBin

ShellControls.TJamShellCombo