I went through and tried everything , running in it administrator mode. I can not get LCPDFR to start after I install ELS V8 or V7. I have very little computer smarts any help will be appreciated. Here is the error log I could find. Error hash: DA7952546AACF77DBF9233DA15CC4E1C2BB79D84 [ERROR - 9:45:58 PM] [Main] CRITICAL ERROR DURING MAINLOOP! REPORT THIS ISSUE AT LCPDFR.COM BY INCLUDING THIS LOGFILE. [ERROR - 9:45:58 PM] [] System.MissingMethodException: Method not found: Boolean AdvancedHookManaged.AVehicle.get_HasSiren(). at .(AVehicle ) at ..ctor( vehicle) in d:\GTA IV\LCPDFR\SVN\trunk\LCPD First Response\Engine\Scripting\Entities\SirenManager.cs:line 124 at .() in d:\GTA IV\LCPDFR\SVN\trunk\LCPD First Response\Engine\Scripting\Entities\CVehicle.cs:line 279 at ..ctor(Int32 handle) in d:\GTA IV\LCPDFR\SVN\trunk\LCPD First Response\Engine\Scripting\Entities\CVehicle.cs:line 245 at .() in d:\GTA IV\LCPDFR\SVN\trunk\LCPD First Response\Engine\Scripting\Entities\PoolUpdaterUnmanaged.cs:line 96 at LCPD_First_Response.Engine.Main.() in d:\GTA IV\LCPDFR\SVN\trunk\LCPD First Response\Engine\Main.cs:line 303 [ERROR - 9:45:58 PM] [ExceptionHandler] .(AVehicle ) L_ffffffff ..ctor( vehicle) L_0063 .() L_009e ..ctor(Int32 handle) L_002c .() L_0375 LCPD_First_Response.Engine.Main.() L_0160