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avifgainmaputil.exe: which program is it?

avifgainmaputil.exe is a program file of libavif. It is installed together with the program and is how it is started from the command line.

AppPublisherLatest versionDefault install folder
libavif — 1.4.2 —

Frequently asked questions

Is avifgainmaputil.exe safe?

avifgainmaputil.exe is a normal part of libavif when it sits in the program's install folder and carries the publisher's digital signature. A file with the same name in another folder can be something else: check its signature and hash.

Where is avifgainmaputil.exe located?

In the program's install folder, which the installer chooses; winget puts portable programs under %LOCALAPPDATA%\Microsoft\WinGet\Packages.

How do I remove avifgainmaputil.exe?

Uninstall libavif through Settings → Apps or with winget; the uninstaller removes avifgainmaputil.exe with it. Deleting the file alone leaves the rest of the program behind.