'link': Mtkihvx.dll

Download the latest drivers directly from your manufacturer's support page (e.g., ASUS Support, Lenovo Support).

A fatal error related to the MediaTek wireless LAN card. Why mtkihvx.dll Fails

Some driver packages may reference the DLL in the registry without actually including the file in the installation.

Often followed by the path C:\WINDOWS\system32\mtkihvx.dll . mtkihvx.dll

Some users have better luck with the "Lenovo" version of the MT7921 driver even on non-Lenovo machines, as they tend to be more stable. Disable Power Saving for the Adapter Right-click the Start button and select Device Manager .

Here is a proper post/guide you can use to troubleshoot this issue or share with others facing the same problem:

Many users report that specific versions of MediaTek drivers are unstable, particularly during high-bandwidth tasks like gaming. Often followed by the path C:\WINDOWS\system32\mtkihvx

The file mtkihvx.dll is a Dynamic Link Library associated with MediaTek wireless connectivity drivers, often found on laptops and devices with MediaTek Bluetooth or Wi-Fi components. Errors related to this file, including "not found" messages, usually stem from corrupted drivers or incomplete installations, requiring users to update drivers via their device manufacturer or run the Windows System File Checker (SFC). AI can make mistakes, so double-check responses Copy Creating a public link... You can now share this thread with others Good response Bad response Show all

Windows Update often installs generic or outdated versions.

If you are experiencing Wi-Fi crashes or "WLAN Extensibility Module has stopped" errors in your Event Viewer, the file is the likely culprit. This file is a component of the MediaTek Wi-Fi driver (often for MT7921 or MT7922 cards) found in many modern ASUS, Lenovo, and MSI laptops. Here is a proper post/guide you can use

: It's also a good idea to run a virus scan on the file. Sometimes, files with unusual names like this can be malicious.

If you are facing connectivity issues linked to this file, try the following solutions: Wifi Randomly Disconnects while playing Games : r/ASUS

: If you suspect "mtkihvx.dll" is related to a specific application or service, reviewing system logs and event viewer entries around the time the DLL is accessed might provide more context.

(approx. $20). This typically solves all mtkihvx.dll errors permanently.