Sorry it took so long to reply, but only today I went back to Visibox editing. In the first 10 minutes of working with shaders enabled, I got the problems mentioned above; I switched to the fixed pipeline renderer and have been working for hours with no issues. So it seems like it is indeed a shader...

I remember using visibox edit mode on Spa-Volt 1/2 (in 18.1126a, latest release at the time I believe) and it worked perfectly fine. I am current making visiboxes for School's Out on the newest version, and there seem to be numerous issues that did not exist previously. First, for as long as I can ...

I have updated RVCMD to 19.0517 (release 2). The biggest change is that you no longer have to fiddle around with launch options; instead, you can now press keys to toggle things on/off. Full changelog below: + Added (crappy) UI for selection. + Added option to list "car name - folder name"...

RVCMD This is a Windows batch file, downloading, extracting and then double-clicking it should give you more information on how to use it. It can currently: detect unused/leftover files, download and extract: RVZ files (by ID), I/O packs (from list), and RVGL. list your currently installed levels a...

UPDATE: The antivirus was causing these problems. I never suspected this, as there were no detection popups. I have now added RVGL to the antivirus's exclusion list. This should not happen again. This has happened a total of 2 times now: first on 01/08, and today (03/09), both in version 18.0731a, ...