Appcrash will not open in Win8.1
This is a copy of Microsoft's crash report
Problem signature:
Problem Event Name: APPCRASH
Application Name: MuseScore3.exe
Application Version: 0.0.0.0
Application Timestamp: 5ddce31c
Fault Module Name: api-ms-win-crt-heap-l1-1-0.dll
Fault Module Version: 6.3.9600.19101
Fault Module Timestamp: 5b5017ac
Exception Code: c0000135
Exception Offset: 00000000000ecf30
OS Version: 6.3.9600.2.0.0.256.4
Locale ID: 1033
Additional Information 1: ac05
Additional Information 2: ac0507478d1c5bd693cfc4fe3987e900
Additional Information 3: ac05
Additional Information 4: ac0507478d1c5bd693cfc4fe3987e900
Comments
Welcome. See: #281750: File api-ms-win-crt-heap-I1-1-0.dll missing
HTH