[CS1.6] Crash when starting HLDS with VGUI

[Splatt581]

If I run HLDS with VGUI (without -console launch parameter), it crashes, see the screenshot below for details:

This only happens when starting CS 1.6; with other GoldSrc titles, HLDS starts normally.

Win10 x64

[Splatt581]

I found out that this error occurs when there are too many files in the cstrike_downloads folder:

So when I delete/rename this folder, the server starts normally. #3655 similar problem