The Create Minidump dialog is provided to allow you to choose where to save your minidump.
A suggested filename will be provided in the edit field. You can edit this filename or choose a new filename using the Browse... button to display the system file chooser.
Open Folder... displays the contents of the folder identified by the filename. You can use this to browse any existing minidumps.
Create Minidump will create the minidump for the selected process.