Radiance.host Mods Modinstaller.exe [new] May 2026

"radiance.host" and its associated "modinstaller.exe" refer to a legacy community mod installer for Hollow Knight

A troubleshooting request regarding broken links or installation errors with the discontinued executable.

This article explores how to use the Radiance.host mod installer safely and effectively. What is the Radiance.host Mod Installer? radiance.host mods modinstaller.exe

: Open ModInstaller.exe, point it to your game directory, and browse the available mods.

Example: Using the Radiance Mod Installer "radiance

version era. While it was once the community standard, it is now considered outdated and deprecated

radiance.host/mods/ModInstaller.exe was once the primary method for modding Hollow Knight on version 1.4, though it is now largely considered following the game's 1.5 update. Steam Community The mod author has no history or reputation in the community

Red Flags to Avoid Immediately

• The mod author has no history or reputation in the community.
• Multiple users on Reddit/Twitter report that the installer deleted game files.
• The installer asks for administrator elevation but then opens a web browser to a strange URL.
• The .exe is much larger than expected (e.g., 500 MB for a simple texture mod – that suggests it might contain the mod embedded, which defeats the purpose of downloading from radiance.host).

Have a specific mod installer you are struggling with? Open a ticket with Radiance.Host Support—their team can tell you exactly which folders to drop those files into.