unfriendly `Engine Path Not Found` dialog box
If I was a child discovering a quake-based game and wanted to build a map, there are good chances that I would not know what is an engine, for a start. Also, this is searching by default in the system folders, which is very unlikely to find anything.
On Unvanquished's wiki one can read:
You may also be asked for the game's engine path if NetRadiant can't find it. This is the basepath in table below. This is the location where the game stores its pkg folder holding the many .dpk resources.
This: This is the location where the game stores its pkg folder holding the many .dpk resources
could and should likely be rephrased and used in this dialog box, as it is much more explicit. This would only require a static text update.
You will also notice that the box is way too small for the text it have to print.