An exception ocurred when adds Oracle monitor in Controller (LR 12.50)

Hi,

I'm having a problem with Oracle monitoring. After click on "Add Measurements..." I'm obtained the following error (I tried on other computers with same results):

The full text is:

Wlrun.exe caused an EXCEPTION_ACCESS_VIOLATION in module vmon.dll at 0023:59DF9FF6, DeActivateMeasurement()+0262 byte(s)

EAX=00000000 EBX=0B980B70 ECX=00000000 EDX=00000057 ESI=0B63E4F8
EDI=00000000 EBP=0B63E4E0 ESP=0B63E4A8 EIP=59DF9FF6 FLG=00010246
CS=0023 DS=002B SS=002B ES=002B FS=0053 GS=002B

0023:59DF9FF6 vmon.dll, DeActivateMeasurement()+0262 byte(s)

0023:59DFAAF3 vmon.dll, InitMonitor()+0275 byte(s)

0023:681876EA usermon.dll, LRResMonReportTSDataInternal()+13802 byte(s)

0023:6818937D usermon.dll, Init()+0061 byte(s)

0023:674BA02D res_mon.dll, LRMonExt_Close()+35085 byte(s)

0023:674BBB49 res_mon.dll, LRMonExt_Close()+42025 byte(s)

0023:674B5CEE res_mon.dll, LRMonExt_Close()+17870 byte(s)

0023:674BA9C5 res_mon.dll, LRMonExt_Close()+37541 byte(s)

0023:681C2190 lrmon_tools.dll, InvisibleWindowClass::~InvisibleWindowClass()+0288 byte(s)

0023:681C26CE lrmon_tools.dll, WinWakeUpServer::WakeItUp()+0046 byte(s)

0023:681C263F lrmon_tools.dll, WinWakeUpServer::OnMessage()+0111 byte(s)

0023:681C2585 lrmon_tools.dll, WinWakeUpServer::WndProc()+0101 byte(s)

0023:758362FA USER32.dll, gapfnScSendMessage()+0818 byte(s)

0023:75836D3A USER32.dll, GetThreadDesktop()+0215 byte(s)

0023:75840D37 USER32.dll, GetClientRect()+0197 byte(s)

0023:7584795A USER32.dll, CallWindowProcA()+0027 byte(s)

0023:606FCCA6 mfc110.dll, Ordinal2167()+0315 byte(s)

0023:758362FA USER32.dll, gapfnScSendMessage()+0818 byte(s)

0023:75836D3A USER32.dll, GetThreadDesktop()+0215 byte(s)

0023:758377D3 USER32.dll, CharPrevW()+0319 byte(s)

0023:75837BDA USER32.dll, DispatchMessageA()+0015 byte(s)

0023:674E4DD6 res_mon.dll, LRMonExt_Close()+210614 byte(s)

0023:606EC073 mfc110.dll, Ordinal291()+0373 byte(s)

0023:6F7EF2E9 MSVCR110.dll, _get_flsindex()+0097 byte(s)

0023:6F7EF2CD MSVCR110.dll, _get_flsindex()+0069 byte(s)

0023:75CE33AA KERNEL32.dll, BaseThreadInitThunk()+0018 byte(s)

0023:7791BF32 ntdll.dll, RtlInitializeExceptionChain()+0099 byte(s)

0023:7791BF05 ntdll.dll, RtlInitializeExceptionChain()+0054 byte(s)

 I don't have any script in the scenario.

Best regards