First, a crucial truth: No reputable, widely-used Skyrim mod or tool currently requires Maxsulframe.dll as of 2025. The file name suggests a connection to:
In many documented cases, this DLL appears to be a malformed or renamed dependency from:
Because the file is not digitally signed by a known software publisher (Microsoft, Bethesda, ENBDev, etc.), Windows Defender or third-party antivirus software may quarantine or delete it. This leads to the “missing DLL” error even if you originally had the file. Skyrim Maxsulframe.dll
User: “I installed a mod called ‘Ultimate FPS Booster Pack’ from a YouTube video link. After that, Skyrim crashed with ‘Maxsulframe.dll missing.’ I deleted the file, but the crash continued.”
Resolution: The mod also contained a custom skse64_loader.exe that was edited to look for Maxsulframe.dll in its own directory. By replacing the tampered loader with the official SKSE64 loader (from skse.silverlock.org) and removing all mod files, the issue was resolved. The “FPS booster” was actually a miner adware. First, a crucial truth: No reputable, widely-used Skyrim
If you find this file on your system:
Manual removal:
Skyrim folder for any .dll modified on the same date.Check persistence:
System-wide:
Yes, but load order matters. Insert Maxsulframe.dll before ENB’s d3d11.dll by renaming files or using ENB’s ProxyLibrary setting:
[PROXY]
EnableProxyLibrary=true
ProxyLibrary=Skyrim Maxsulframe.dll
Skyrim SE has seen several major updates (1.5.97, 1.6.353, 1.6.640, 1.6.1170). The Maxsulframe.dll is often version-specific. In many documented cases, this DLL appears to