Please attach the following information in case
you want to report crashing or similar issues.
The log as produced by dxdiag.
start » run » dxdiag » save output
If the Cura user interface still starts, you can also
reach these directories from the application menu:
Help » Show settings folder
%APPDATA%\cura\<Ｃｕｒａ Ｖｅｒｓｉｏｎ>\cura.log
or
C:\Users\<your username>\AppData\Roaming\cura\<Ｃｕｒａ Ｖｅｒｓｉｏｎ>\cura.log
~/.local/share/cura/<Ｃｕｒａ Ｖｅｒｓｉｏｎ>/cura.log
~/Library/Application Support/cura/<Ｃｕｒａ Ｖｅｒｓｉｏｎ>/cura.log
An alternative is to install the ExtensiveSupportLogging
plugin this creates a zip folder of the relevant log files.
If you're experiencing performance issues, we might ask
you to connect the CPU profiler in this plugin and attach
the collected data to your support ticket.