looking at the call stack after the crash suggests that it is related to when SketchUp is displaying the file selection dialog. If I just force it to continue when an exception occurs it eventually shows the dialog and I can select and import the xml file.
| > | ntdll.dll!RtlReportCriticalFailure() | Unknown |
|---|---|---|
| ntdll.dll!RtlpHeapHandleError() | Unknown | |
| ntdll.dll!RtlpHpHeapHandleError() | Unknown | |
| ntdll.dll!RtlpLogHeapFailure() | Unknown | |
| ntdll.dll!RtlpFreeHeapInternal() | Unknown | |
| ntdll.dll!RtlFreeHeap() | Unknown | |
| ucrtbase.dll!_free_base() | Unknown | |
| SketchUp.exe!00007ff60c60e269() | Unknown | |
| SketchUp.exe!00007ff60c60e621() | Unknown | |
| SketchUp.exe!00007ff60c60c491() | Unknown | |
| SketchUp.exe!00007ff60c60c223() | Unknown | |
| SketchUp.exe!00007ff60c194c17() | Unknown | |
| mfc140u.dll!00007ff9e8ac51cb() | Unknown | |
| SketchUp.exe!00007ff60c1f07c8() | Unknown | |
| mfc140u.dll!00007ff9e8b87241() | Unknown | |
| mfc140u.dll!00007ff9e894a342() | Unknown | |
| SketchUp.exe!00007ff60c1aa25d() | Unknown | |
| mfc140u.dll!00007ff9e8b769e5() | Unknown | |
| mfc140u.dll!00007ff9e8b860be() | Unknown | |
| mfc140u.dll!00007ff9e8949190() | Unknown | |
| mfc140u.dll!00007ff9e8b75c10() | Unknown | |
| mfc140u.dll!00007ff9e8b75b6f() | Unknown | |
| mfc140u.dll!00007ff9e8b73453() | Unknown | |
| mfc140u.dll!00007ff9e8b73824() | Unknown | |
| mfc140u.dll!00007ff9e8a18cc9() | Unknown | |
| user32.dll!UserCallWinProcCheckWow() | Unknown | |
| user32.dll!DispatchMessageWorker() | Unknown | |
| mfc140u.dll!00007ff9e8b5c0f2() | Unknown | |
| mfc140u.dll!00007ff9e8b5c9f5() | Unknown | |
| SketchUp.exe!00007ff60c1f3272() | Unknown | |
| mfc140u.dll!00007ff9e8b8f580() | Unknown | |
| SketchUp.exe!00007ff60c800272() | Unknown | |
| kernel32.dll!BaseThreadInitThunk() | Unknown | |
| ntdll.dll!RtlUserThreadStart() | Unknown |