Antivirus or firewall software can sometimes block driver extensions (the "IHV GUI") from writing to the folders, causing an "Access Denied" error. Microsoft Learn
Many "IHV" components are related to hardware drivers, specifically for or Ralink wireless/display devices. ihv gui mui 64 access denied hot
Overly aggressive security software can lock MUI files. Antivirus or firewall software can sometimes block driver
Most likely a typo in the error-handling code of older Intel drivers (pre-2023). Not a virus. Newer drivers (version 31.0.101.xxxx+) have removed the ambiguous term. ihv gui mui 64 access denied hot
In Safe Mode, Windows loads only essential drivers and services, often bypassing file locks.
Before applying fixes, verify if this is an Intel Wi-Fi issue.
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