Greetings,

I tried your suggestion and still had the same results. I could see it starting on my task manager and then "suspended" then the app disappeared.

After checking my event viewer I had the same error message.

I am attaching a copy of the log maybe that will help.

Version=1
EventType=CLR20r3
EventTime=132305711996265238
ReportType=2
Consent=1
UploadTime=132305712000175695
ReportStatus=268435456
ReportIdentifier=84896316-5218-4d63-817d-15dd4d8ed000
IntegratorReportIdentifier=674a60ab-5fb9-4fc9-8f57-155f651f6cf1
Wow64Host=34404
NsAppName=ace_777.exe
OriginalFilename=ace_777.exe
AppSessionGuid=00002070-0002-0029-8643-d714580bd601
TargetAppId=W:0000aee6a98ecaff046e04020a796022be120000ffff!0000ccb94b7624fca21181ca68d130b420e002db1a6f!ace_777.exe
TargetAppVer=2019//05//25:21:52:00!0!ace_777.exe
BootId=4294967295
ServiceSplit=2909139361
TargetAsId=494
IsFatal=1
EtwNonCollectReason=1
Response.BucketId=3b8c7ea1f70302557757ff3c3305d98f
Response.BucketTable=5
Response.LegacyBucketId=1682093619865311631
Response.type=4
Sig[0].Name=Problem Signature 01
Sig[0].Value=ace_777.exe
Sig[1].Name=Problem Signature 02
Sig[1].Value=1.0.0.11
Sig[2].Name=Problem Signature 03
Sig[2].Value=5ce9b900
Sig[3].Name=Problem Signature 04
Sig[3].Value=mscorlib
Sig[4].Name=Problem Signature 05
Sig[4].Value=4.8.4150.0
Sig[5].Name=Problem Signature 06
Sig[5].Value=5e176ed9
Sig[6].Name=Problem Signature 07
Sig[6].Value=51b
Sig[7].Name=Problem Signature 08
Sig[7].Value=2f
Sig[8].Name=Problem Signature 09
Sig[8].Value=System.ArgumentOutOfRange
DynamicSig[1].Name=OS Version
DynamicSig[1].Value=10.0.18363.2.0.0.768.101
DynamicSig[2].Name=Locale ID
DynamicSig[2].Value=1033
DynamicSig[22].Name=Additional Information 1
DynamicSig[22].Value=7525
DynamicSig[23].Name=Additional Information 2
DynamicSig[23].Value=752540045d375f50b82b727e137939fe
DynamicSig[24].Name=Additional Information 3
DynamicSig[24].Value=16ad
DynamicSig[25].Name=Additional Information 4
DynamicSig[25].Value=16ad02424fb96384a4fdf5aef7af5cfc
UI[2]=M:\P3D FLIGHT SIM\Captain_Sim\777-II\ace\ace_777.exe
LoadedModule[0]=M:\P3D FLIGHT SIM\Captain_Sim\777-II\ace\ace_777.exe
LoadedModule[1]=C:\WINDOWS\SYSTEM32\ntdll.dll
LoadedModule[2]=C:\WINDOWS\System32\KERNEL32.DLL
LoadedModule[3]=C:\WINDOWS\System32\KERNELBASE.dll
LoadedModule[4]=C:\WINDOWS\SYSTEM32\apphelp.dll
LoadedModule[5]=C:\WINDOWS\SYSTEM32\AcLayers.DLL
LoadedModule[6]=C:\WINDOWS\System32\msvcrt.dll
LoadedModule[7]=C:\WINDOWS\System32\USER32.dll
LoadedModule[8]=C:\WINDOWS\System32\win32u.dll
LoadedModule[9]=C:\WINDOWS\System32\GDI32.dll
LoadedModule[10]=C:\WINDOWS\System32\gdi32full.dll
LoadedModule[11]=C:\WINDOWS\System32\msvcp_win.dll
LoadedModule[12]=C:\WINDOWS\System32\ucrtbase.dll
LoadedModule[13]=C:\WINDOWS\System32\SHLWAPI.dll
LoadedModule[14]=C:\WINDOWS\System32\combase.dll
LoadedModule[15]=C:\WINDOWS\System32\RPCRT4.dll
LoadedModule[16]=C:\WINDOWS\System32\bcryptPrimitives.dll
LoadedModule[17]=C:\WINDOWS\System32\ADVAPI32.dll
LoadedModule[18]=C:\WINDOWS\System32\sechost.dll
LoadedModule[19]=C:\WINDOWS\SYSTEM32\sfc.dll
LoadedModule[20]=C:\WINDOWS\SYSTEM32\WINSPOOL.DRV
LoadedModule[21]=C:\WINDOWS\System32\kernel.appcore.dll
LoadedModule[22]=C:\WINDOWS\System32\bcrypt.dll
LoadedModule[23]=C:\WINDOWS\SYSTEM32\PROPSYS.dll
LoadedModule[24]=C:\WINDOWS\System32\OLEAUT32.dll
LoadedModule[25]=C:\WINDOWS\System32\shcore.dll
LoadedModule[26]=C:\WINDOWS\SYSTEM32\IPHLPAPI.DLL
LoadedModule[27]=C:\WINDOWS\SYSTEM32\sfc_os.DLL
LoadedModule[28]=C:\WINDOWS\SYSTEM32\SortWindows61.dll
LoadedModule[29]=C:\WINDOWS\System32\IMM32.DLL
LoadedModule[30]=C:\WINDOWS\System32\shell32.dll
LoadedModule[31]=C:\WINDOWS\System32\cfgmgr32.dll
LoadedModule[32]=C:\WINDOWS\System32\windows.storage.dll
LoadedModule[33]=C:\WINDOWS\System32\profapi.dll
LoadedModule[34]=C:\WINDOWS\System32\powrprof.dll
LoadedModule[35]=C:\WINDOWS\System32\UMPDC.dll
LoadedModule[36]=C:\WINDOWS\System32\cryptsp.dll
LoadedModule[37]=C:\WINDOWS\SYSTEM32\version.dll
LoadedModule[38]=C:\WINDOWS\System32\ole32.dll
LoadedModule[39]=C:\WINDOWS\WinSxS\amd64_microsoft.windows.common-controls_6595b64144ccf1df_5.82.18362.720_none_2a258974466b9fae\comctl32.dll
LoadedModule[40]=C:\WINDOWS\System32\psapi.dll
LoadedModule[41]=C:\WINDOWS\system32\uxtheme.dll
LoadedModule[42]=C:\WINDOWS\SYSTEM32\SHFolder.dll
LoadedModule[43]=C:\WINDOWS\SYSTEM32\msimg32.dll
LoadedModule[44]=C:\WINDOWS\SYSTEM32\SspiCli.dll
LoadedModule[45]=C:\WINDOWS\SYSTEM32\mscoree.dll
LoadedModule[46]=C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscoreei.dll
LoadedModule[47]=C:\Windows\Microsoft.NET\Framework64\v4.0.30319\clr.dll
LoadedModule[48]=C:\WINDOWS\SYSTEM32\VCRUNTIME140_CLR0400.dll
LoadedModule[49]=C:\WINDOWS\SYSTEM32\ucrtbase_clr0400.dll
LoadedModule[50]=C:\WINDOWS\assembly\NativeImages_v4.0.30319_64\mscorlib\cea8b8fbc469dcbc6224d523a578e4b3\mscorlib.ni.dll
LoadedModule[51]=C:\Windows\Microsoft.NET\Framework64\v4.0.30319\clrjit.dll
LoadedModule[52]=C:\WINDOWS\assembly\NativeImages_v4.0.30319_64\System\08f69c55e9284eaab92075159503c897\System.ni.dll
LoadedModule[53]=C:\WINDOWS\assembly\NativeImages_v4.0.30319_64\System.Drawing\53ae5f55bdb521c15d5cc4f789fb3950\System.Drawing.ni.dll
LoadedModule[54]=C:\WINDOWS\assembly\NativeImages_v4.0.30319_64\System.Windows.Forms\608b1a4f3a44025433437f6d8c52edc2\System.Windows.Forms.ni.dll
LoadedModule[55]=C:\WINDOWS\assembly\NativeImages_v4.0.30319_64\System.Core\c9243edb149eb78c5309c103df69d594\System.Core.ni.dll
LoadedModule[56]=C:\WINDOWS\assembly\NativeImages_v4.0.30319_64\System.Configuration\36d0bbf456e19171162fb117487d13e6\System.Configuration.ni.dll
LoadedModule[57]=C:\WINDOWS\assembly\NativeImages_v4.0.30319_64\System.Xml\e2507c6929371fa69b5e96a6e097ee69\System.Xml.ni.dll
LoadedModule[58]=C:\WINDOWS\system32\rsaenh.dll
LoadedModule[59]=C:\WINDOWS\SYSTEM32\CRYPTBASE.dll
LoadedModule[60]=C:\Windows\Microsoft.NET\Framework64\v4.0.30319\diasymreader.dll
State[0].Key=Transport.DoneStage1
State[0].Value=1
OsInfo[0].Key=vermaj
OsInfo[0].Value=10
OsInfo[1].Key=vermin
OsInfo[1].Value=0
OsInfo[2].Key=verbld
OsInfo[2].Value=18363
OsInfo[3].Key=ubr
OsInfo[3].Value=720
OsInfo[4].Key=versp
OsInfo[4].Value=0
OsInfo[5].Key=arch
OsInfo[5].Value=9
OsInfo[6].Key=lcid
OsInfo[6].Value=1033
OsInfo[7].Key=geoid
OsInfo[7].Value=244
OsInfo[8].Key=sku
OsInfo[8].Value=101
OsInfo[9].Key=domain
OsInfo[9].Value=0
OsInfo[10].Key=prodsuite
OsInfo[10].Value=768
OsInfo[11].Key=ntprodtype
OsInfo[11].Value=1
OsInfo[12].Key=platid
OsInfo[12].Value=10
OsInfo[13].Key=sr
OsInfo[13].Value=0
OsInfo[14].Key=tmsi
OsInfo[14].Value=388585
OsInfo[15].Key=osinsty
OsInfo[15].Value=1
OsInfo[16].Key=iever
OsInfo[16].Value=11.719.18362.0-11.0.180
OsInfo[17].Key=portos
OsInfo[17].Value=0
OsInfo[18].Key=ram
OsInfo[18].Value=16350
OsInfo[19].Key=svolsz
OsInfo[19].Value=931
OsInfo[20].Key=wimbt
OsInfo[20].Value=0
OsInfo[21].Key=blddt
OsInfo[21].Value=190318
OsInfo[22].Key=bldtm
OsInfo[22].Value=1202
OsInfo[23].Key=bldbrch
OsInfo[23].Value=19h1_release
OsInfo[24].Key=bldchk
OsInfo[24].Value=0
OsInfo[25].Key=wpvermaj
OsInfo[25].Value=0
OsInfo[26].Key=wpvermin
OsInfo[26].Value=0
OsInfo[27].Key=wpbuildmaj
OsInfo[27].Value=0
OsInfo[28].Key=wpbuildmin
OsInfo[28].Value=0
OsInfo[29].Key=osver
OsInfo[29].Value=10.0.18362.720.amd64fre.19h1_release.190318-1202
OsInfo[30].Key=buildflightid
OsInfo[30].Value=013F5E85-5E65-4D34-840E-2032641694C0.1
OsInfo[31].Key=edition
OsInfo[31].Value=Core
OsInfo[32].Key=ring
OsInfo[32].Value=Retail
OsInfo[33].Key=expid
OsInfo[34].Key=containerid
OsInfo[35].Key=containertype
OsInfo[36].Key=edu
OsInfo[36].Value=0
FriendlyEventName=Stopped working
ConsentKey=CLR20r3
AppName=777 Aircraft Configuration Editor
AppPath=M:\P3D FLIGHT SIM\Captain_Sim\777-II\ace\ace_777.exe
NsPartner=windows
NsGroup=windows8
ApplicationIdentity=2AE473D587A2CA872BDD859F1755907E
MetadataHash=-1295698680

Thank you for your response
Gene