GlobalShortcutWin: SetcooperativeLevel: 80004001

[BZX001]

When I joined to HOG = PR = server blew me this message " GlobalShortcutWin : SetcooperativeLevel : 80004001 " . The result was that I could not talk to both local and squad but never anywhere else I heard when I tried to run mumble options so I blew it again errorovou message. I do not know what to do ...

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Project Reality Log File
PRLauncher.exe started at: 2015-08-06T14:23:13

Critical Error: An unhandled exception has occured. Details are as follows:

Hodnota nemů?e b?t NULL.
N?zev parametru: source

Further details can be found in the following file:

[url]C:\Program Files\Project Reality\Project Reality BF2\mods\pr\bin\PRLauncher.log[/url]

Please report this error to the Project Reality Team, and include the log file in your report.

[url=https://www.realitymod.com/forum/f27-pr-bf2-support]Visit Support Forum[/url]

 > System.ArgumentNullException: Hodnota nemů?e b?t NULL.
N?zev parametru: source
   v System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source, Func`2 predicate)
   v PRLauncher.WPF.ViewModel.OptionsWindowViewModel.c.a()
   v System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   v MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)

[BZX001]

Somebody help me please ?

[DC_K]

did you recently change keys or your keyboard? check your mumble hotkeys, make sure you have nothing unbinded. if so, bind them

if not the case, report back with dxdiag output