I'm seeing same problem. Although I have seen it at various times, I notice it happens most consistently as I come out of hibernation.
Don't know if this helps but windows event viewer logs show following. You probably already have all this or it contains nothing terribly useful but thought I would post just in case.
>>>>Error:
Faulting application name: backgroundTaskHost.exe, version: 10.0.17134.1, time stamp: 0xb3ceae44
Faulting module name: mrt100_app.dll_unloaded, version: 1.4.24201.0, time stamp: 0x574e637a
Exception code: 0xc0000005
Fault offset: 0x0000e280
Faulting process id: 0x30b8
Faulting application start time: 0x01d3fb67189bc984
Faulting application path: C:\WINDOWS\SysWOW64\backgroundTaskHost.exe
Faulting module path: mrt100_app.dll
Report Id: 6dd35ef6-3589-4fa8-9b86-d944adb8d896
Faulting package full name: SinewSoftwareSystems.EnpassPasswordManager_5.6.17.0_x86__fwdy0m65qb6h2
Faulting package-relative application ID: App
>>>>Informational:
Fault bucket 2046171178654221820, type 5
Event Name: MoBEX
Response: Not available
Cab Id: 0
Problem signature:
P1: SinewSoftwareSystems.EnpassPasswordManager_5.6.17.0_x86__fwdy0m65qb6h2
P2: praid:App
P3: 10.0.17134.1
P4: b3ceae44
P5: mrt100_app.dll_unloaded
P6: 1.4.24201.0
P7: 574e637a
P8: 0000e280
P9: c0000005
P10: 00000008
Attached files:
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER5062.tmp.mdmp
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER513E.tmp.WERInternalMetadata.xml
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER5268.tmp.xml
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER52B4.tmp.csv
\\?\C:\ProgramData\Microsoft\Windows\WER\Temp\WER52D4.tmp.txt
These files may be available here:
C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_SinewSoftwareSys_d9d8c6439e94f9265c98157998b8108e3f8c44_50057889_0ed858af
Analysis symbol:
Rechecking for solution: 0
Report Id: 6dd35ef6-3589-4fa8-9b86-d944adb8d896
Report Status: 268566528
Hashed bucket: 4fb56c0f8f39430b5c6575d88d53c5fc
Cab Guid: 0
>>>> The above mentioned file contains the following:
Version=1
EventType=MoBEX
EventTime=131725292338978354
ReportType=2
Consent=1
UploadTime=131725292345693264
ReportStatus=268566528
ReportIdentifier=1f592281-08ef-4ab7-a582-23f395fc02ef
IntegratorReportIdentifier=6dd35ef6-3589-4fa8-9b86-d944adb8d896
Wow64Host=34404
Wow64Guest=332
NsAppName=praid:App
OriginalFilename=backgroundTaskHost.exe
AppSessionGuid=000030b8-0001-0006-84c9-9b1867fbd301
TargetAppId=U:SinewSoftwareSystems.EnpassPasswordManager_5.6.17.0_x86__fwdy0m65qb6h2!App
TargetAppVer=5.6.17.0_x86_!2065//08//05:02:58:12!94bb!backgroundTaskHost.exe
BootId=4294967295
ServiceSplit=8
TargetAsId=246
IsFatal=1
Response.BucketId=4fb56c0f8f39430b5c6575d88d53c5fc
Response.BucketTable=5
Response.LegacyBucketId=2046171178654221820
Response.type=4
Sig[0].Name=Package Full Name
Sig[0].Value=SinewSoftwareSystems.EnpassPasswordManager_5.6.17.0_x86__fwdy0m65qb6h2
Sig[1].Name=Application Name
Sig[1].Value=praid:App
Sig[2].Name=Application Version
Sig[2].Value=10.0.17134.1
Sig[3].Name=Application Timestamp
Sig[3].Value=b3ceae44
Sig[4].Name=Fault Module Name
Sig[4].Value=mrt100_app.dll_unloaded
Sig[5].Name=Fault Module Version
Sig[5].Value=1.4.24201.0
Sig[6].Name=Fault Module Timestamp
Sig[6].Value=574e637a
Sig[7].Name=Exception Offset
Sig[7].Value=0000e280
Sig[8].Name=Exception Code
Sig[8].Value=c0000005
Sig[9].Name=Exception Data
Sig[9].Value=00000008
DynamicSig[1].Name=OS Version
DynamicSig[1].Value=10.0.17134.2.0.0.768.101
DynamicSig[2].Name=Locale ID
DynamicSig[2].Value=1033
DynamicSig[22].Name=Additional Information 1
DynamicSig[22].Value=2beb
DynamicSig[23].Name=Additional Information 2
DynamicSig[23].Value=2beba6fb4680d73a8c78ca7c24ccdb46
DynamicSig[24].Name=Additional Information 3
DynamicSig[24].Value=629c
DynamicSig[25].Name=Additional Information 4
DynamicSig[25].Value=629cfd28d622d588b693be8fe402a797
UI[2]=C:\WINDOWS\SysWOW64\backgroundTaskHost.exe
LoadedModule[0]=C:\WINDOWS\SysWOW64\backgroundTaskHost.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\msvcrt.dll
LoadedModule[5]=C:\WINDOWS\System32\combase.dll
LoadedModule[6]=C:\WINDOWS\System32\ucrtbase.dll
LoadedModule[7]=C:\WINDOWS\System32\RPCRT4.dll
LoadedModule[8]=C:\WINDOWS\System32\SspiCli.dll
LoadedModule[9]=C:\WINDOWS\System32\CRYPTBASE.dll
LoadedModule[10]=C:\WINDOWS\System32\bcryptPrimitives.dll
LoadedModule[11]=C:\WINDOWS\System32\sechost.dll
LoadedModule[12]=C:\WINDOWS\System32\kernel.appcore.dll
LoadedModule[13]=C:\Windows\System32\twinapi.appcore.dll
LoadedModule[14]=C:\WINDOWS\System32\RMCLIENT.dll
LoadedModule[15]=C:\WINDOWS\System32\shcore.dll
LoadedModule[16]=C:\WINDOWS\System32\user32.dll
LoadedModule[17]=C:\WINDOWS\System32\win32u.dll
LoadedModule[18]=C:\WINDOWS\System32\GDI32.dll
LoadedModule[19]=C:\WINDOWS\System32\gdi32full.dll
LoadedModule[20]=C:\WINDOWS\System32\msvcp_win.dll
LoadedModule[21]=C:\WINDOWS\System32\IMM32.DLL
LoadedModule[22]=C:\WINDOWS\SYSTEM32\mrmcorer.dll
LoadedModule[23]=C:\WINDOWS\System32\OLEAUT32.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=17134
OsInfo[3].Key=ubr
OsInfo[3].Value=81
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=11497
OsInfo[15].Key=osinsty
OsInfo[15].Value=1
OsInfo[16].Key=iever
OsInfo[16].Value=11.48.17134.0-11.0.65
OsInfo[17].Key=portos
OsInfo[17].Value=0
OsInfo[18].Key=ram
OsInfo[18].Value=8075
OsInfo[19].Key=svolsz
OsInfo[19].Value=930
OsInfo[20].Key=wimbt
OsInfo[20].Value=0
OsInfo[21].Key=blddt
OsInfo[21].Value=180410
OsInfo[22].Key=bldtm
OsInfo[22].Value=1804
OsInfo[23].Key=bldbrch
OsInfo[23].Value=rs4_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=10.0.17134.81.amd64fre.rs4_release.180410-1804
OsInfo[30].Key=buildflightid
OsInfo[30].Value=7B3F085B-AF94-4576-9A9C-9A5E41CD1FC9.1
OsInfo[31].Key=edition
OsInfo[31].Value=Core
OsInfo[32].Key=ring
OsInfo[33].Key=expid
OsInfo[34].Key=containerid
OsInfo[35].Key=containertype
OsInfo[36].Key=edu
OsInfo[36].Value=0
FriendlyEventName=Stopped working
ConsentKey=MoBEX
AppName=Background Task Host
AppPath=C:\WINDOWS\SysWOW64\backgroundTaskHost.exe
NsPartner=windows
NsGroup=windows8
ApplicationIdentity=EFF2933CBEFDC9C707A7B465DFD0EBCE
MetadataHash=1046433047
Running: Windows 10 x64 1803 (17134.81), Enpass 5.6.17 (5428)