you do know that XIR2 is out of support for more than 3 years now ?
what's the OS you're running R2 on ?
What is the R2 patch level ?
If you're using crystal reporting only, then you can simply stop BusinessObjects_jobserver and its not in use by CR. CR uses Crystal job server and Crystal report server, RAS and Crystal cache server.
second error is from IIS, is your Infoview deployed there or are you using .NET apps ?