QT Creator opensource Win64 installer crash

[ChrisNZ]

I am getting repeated installer crashes despite restarting Windows, and have also tried QT Online installer with the same issue.

From Event Viewer I see:

Faulting application name: qt-creator-opensource-windows-x86_64-15.0.1.exe, version: 4.8.1.0, time stamp: 0x66ebf137
Faulting module name: unknown, version: 0.0.0.0, time stamp: 0x00000000
Exception code: 0xc0000005
Fault offset: 0x0000000000000000
Faulting process id: 0x0x23E0
Faulting application start time: 0x0x1DB7D5EEF65C36E
Faulting application path: C:\Users\USER\Downloads\qt-creator-opensource-windows-x86_64-15.0.1.exe
Faulting module path: unknown
Report Id: 1b19961f-26fe-4cdd-8c28-116726b91284
Faulting package full name:
Faulting package-relative application ID:

[hskoglund]

Just guessing: try disabling your anti-virus.