# ,Fatal error! Unhandled Exception: EXCEPTION\_ACCESS\_VIOLATION ntdll.dll!UnknownFunction Windows 11

**URL:** <https://forums.unrealengine.com/t/fatal-error-unhandled-exception-exception-access-violation-ntdll-dll-unknownfunction-windows-11/486354>\
**Category:** Community & Industry Discussion\
**Tags:** error, unreal-engine, dll-missing, question\
**Created:** [July 19, 2021, 6:13am UTC](https://forums.unrealengine.com/t/fatal-error-unhandled-exception-exception-access-violation-ntdll-dll-unknownfunction-windows-11/486354 "2021-07-19T06:13:45Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![chronic8000](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@chronic8000](https://forums.unrealengine.com/u/chronic8000)\
**Post date:** [July 19, 2021, 6:13am UTC](https://forums.unrealengine.com/t/fatal-error-unhandled-exception-exception-access-violation-ntdll-dll-unknownfunction-windows-11/486354/1 "2021-07-19T06:13:45Z")

</div>

Fatal error!

Unhandled Exception: EXCEPTION\_ACCESS\_VIOLATION reading address 0x0000000000000000

0x00007ff91ecffa36 msctf.dll!UnknownFunction []  
0x00007ff91ed07777 msctf.dll!UnknownFunction []  
0x00007ff91ed06946 msctf.dll!UnknownFunction []  
0x00007ff91ed071b6 msctf.dll!UnknownFunction []  
0x00007ff91ecf2270 msctf.dll!UnknownFunction []  
0x00007ff91ecf2165 msctf.dll!UnknownFunction []  
0x00007ff91ecf200f msctf.dll!UnknownFunction []  
0x00007ff91d863de2 IMM32.dll!UnknownFunction []  
0x00007ff91d8681ba IMM32.dll!UnknownFunction []  
0x00007ff91ecf6f0c msctf.dll!UnknownFunction []  
0x00007ff91ecf4e0e msctf.dll!UnknownFunction []  
0x00007ff91ed34d3a msctf.dll!UnknownFunction []  
0x00007ff91d86a68f IMM32.dll!UnknownFunction []  
0x00007ff91d86ac0e IMM32.dll!UnknownFunction []  
0x00007ff62eae2fbc FortniteClient-Win64-Shipping.exe!UnknownFunction []  
0x00007ff62eadf2b1 FortniteClient-Win64-Shipping.exe!UnknownFunction []  
0x00007ff62eadf24c FortniteClient-Win64-Shipping.exe!UnknownFunction []  
0x00007ff62e21879b FortniteClient-Win64-Shipping.exe!UnknownFunction []  
0x00007ff62e52ddc4 FortniteClient-Win64-Shipping.exe!UnknownFunction []  
0x00007ff62ebb05f5 FortniteClient-Win64-Shipping.exe!UnknownFunction []  
0x00007ff62ef52353 FortniteClient-Win64-Shipping.exe!UnknownFunction []  
0x00007ff62f0f13b4 FortniteClient-Win64-Shipping.exe!UnknownFunction []  
0x00007ff62f0f152b FortniteClient-Win64-Shipping.exe!UnknownFunction []  
0x00007ff62eaa89d2 FortniteClient-Win64-Shipping.exe!UnknownFunction []  
0x00007ff63044f3ee FortniteClient-Win64-Shipping.exe!UnknownFunction []  
0x00007ff91e4354e0 KERNEL32.DLL!UnknownFunction []  
0x00007ff91eea485b ntdll.dll!UnknownFunction []