Like in title already mentioned, Batch file induced by xRun is closed together with the macro closure in Firefox using closeRPA=1.
Any other app that was induced by a batch file, such as other browsers or Excel, is also closed when the macro is closed. In this case it also applies to xRunAndWait.
This Bug is only in Firefox in Chrome works everything fine.
Firefox Version 95.0.2 (64-Bit)
UI.Vision RPA Version 6.2.6
Google ChromeVersion 96.0.4664.110 (Offizieller Build) (64-Bit)
UI.Vision RPA Version 6.2.8