Fix "Start Game Fail: Load mhypbase.dll" Error (Genshin Impact, November 2026)

Last updated: November 3, 2026. Steps checked against the current app and official help pages.

“Start game fail. Load mhypbase.dll error” appears when Genshin Impact cannot load one of its core files. mhypbase.dll is part of HoYoverse anti-cheat and game protection, so antivirus software and damaged files are the main causes.

What Does mhypbase.dll Load Error Mean?

The launcher started the game but Windows could not load mhypbase.dll. The file is missing, damaged or blocked.

Quick Fix for mhypbase.dll Load Error

Restore mhypbase.dll from your antivirus quarantine and add the game folder to exceptions.
Repair game files in the HoYoPlay launcher.
Run the launcher as administrator.
Restart your PC.

Common Causes

Antivirus quarantined or blocked the file
Damaged or incomplete update
Missing admin permissions
Third party mods or tools

How to Fix mhypbase.dll Load Error Step by Step

1. Check antivirus quarantine

Restore mhypbase.dll and add the Genshin Impact folder to exclusions.

2. Repair game files

HoYoPlay launcher, gear icon next to Start Game, Repair Game.

3. Run as administrator

Right click the launcher, Run as administrator.

4. Remove mods and tools

Delete any unofficial mods, FPS unlockers or injectors.

5. Install Visual C++ runtimes

Install the latest Microsoft Visual C++ Redistributable.

6. Reinstall

Uninstall and reinstall the game if repair does not help.

FAQ

Is mhypbase.dll a virus?

No. It is an official game file, but antivirus programs sometimes flag it.

Can I download mhypbase.dll from a website?

Do not. Use Repair Game instead.

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Axee Davies

Axee Davies is the founder of AxeeTech, publishing gaming guides, codes, and Windows how-tos since March 2013. A tech enthusiast for 13+ years — starting with smartphones and Android rooting — he now runs a site that puts out a new guide every day for Roblox players, traders, and Windows users. More about AxeeTech

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