To prevent the error from returning, add your entire game installation folder (e.g.,
If you are running an "N" or "KN" version of Windows, install the from your Windows optional features panel to supply missing components like mfplat.dll . Comparison of Solutions Based on Game Versions Game License Type Primary Root Cause Highest Success Solution Official Steam Copy Missing system files or corrupt cache Verify Game File Integrity via Steam FitGirl / Offline Repack False positive deletion of SLF64.7z Restore from Defender History & Add Exclusion Windows "N" Edition Missing media pipeline architecture Install Windows Media Feature Pack To prevent the error from returning, add your
Scroll down to and click Add or remove exclusions . If you are using a FitGirl or similar
"Do you know what it means?" Jonah asked. "The additional DLL could not be loaded
If you are using a FitGirl or similar repack, the installation might have been corrupted during extraction, especially if the antivirus was active at the time.
: A recent Steam update has been known to break certain mods (like the T7 patch). You may need to "downpatch" your game to a previous version's .exe through the Steam console using the download_Depot command.
"The additional DLL could not be loaded. Please restart the application. If the issue persists, try reinstalling the game."