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No, this file is 100% safe to run.

VersionsAdditional versions

25835 4.94%
70da9 7.41%
2a8b8 85.19%
8e381 1.23%
b9af1 1.23%
(Note, Valve publishes each variation of this file with the same version, but the hashes are unique.)

Relationships

avutil-51.dll

By Valve (Signed)

Remove avutil-51.dll
MD5:   2a8b8a15a58edf3b443083ec29894e54
SHA1:   b63a322d66472fbd2fb7723847af0f995bf9bf84
SHA256:   84e6875f1869b8cfd73525f0c04f1bf2cf0d0d08b1226f62cfd44ff14fe0345d

What is avutil-51.dll?

AVUtilities is a software/open source LGPL-licensed library of codecs for encoding and decoding video and audio data. Many applications that require video encoding, playback and formatting integrate this library within the program for video playback functionality.

Overview

avutil-51.dll is loaded as dynamic link library that runs in the context of a process. It is installed with a couple of know programs including Counter-Strike published by Valve Corporation, Half-Life from Valve Corporation and Half-Life by Valve Corporation. The file is digitally signed by Valve which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:avutil-51.dll
Typical file path:C:\fallout 3\steam\bin\avutil-51.dll
Size:121.5 KB (124,416 bytes)
Certificate
Issued to:Valve
Authority (CA):VeriSign
Digital DNA
PE subsystem:Windows Console
File packed:No
Code language:Microsoft Visual C++
.NET CLR:No
More details

ResourcesPrograms

The following programs will install this file
Andrii Vintsevych
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Chain Studios
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Electronic Arts
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Kingdoms of Amalur: Reckoning is a single-player action role-playing game for Microsoft Windows. Combat is based on the timing of button presses, similar to an action RPG, with occasional quick time cutscenes like those in the God of War series.
FAKEFACTORY
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Raises the outdated graphical appearance of the Half-Life 2 trilogy to a state-of-the-art level, while giving it a more stressed, darker and minatory look. All low-res textures are replaced by high-res counterparts. Cinematic Mod adds an emotional cinematic music soundtrack, optional HD models and unused content from the original games.
Gearbox Software
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Made by Gearbox Software and originally released in 2001 as an add-on to Half-Life, Blue Shift is a return to the Black Mesa Research Facility in which you play as Barney Calhoun, the security guard sidekick who helped Gordon out of so many sticky situations.
Gearbox Software
8% remove
Half-Life: Opposing Force is an expansion pack for Valve Software's science fiction first-person shooter video game Half-Life. As an expansion pack for Half-Life, Opposing Force is a first-person shooter.
Lucas Arts
3% remove
Star Wars The Clone Wars: Republic Heroes lets Star Wars fans young and old live out the sweeping galactic adventures of the Clone Wars. For the first time ever, players can fight as their favorite Jedi and clone troopers from the preeminent animated television series – from familiar faces like Anakin Skywalker to new heroes like Clone Captain Rex. A brand-new storyline, which bridges the gap between season one and two, takes the player...
NAMCO BANDAI Games
10% remove
Dark Souls is the new action role-playing game from the developers who brought you Demon’s Souls, FromSoftware. Dark Souls will have many familiar features: A dark fantasy universe, tense dungeon crawling, fearsome enemy encounters and unique online interactions. Dark Souls is a spiritual successor to Demon’s, not a sequel. New to Dark Souls are Bonfires, which serve as check points as you fight your way through this epic adventure. Whi...
Riot Games
12% remove
League of Legends (LoL) is a multiplayer online battle arena video game developed and published by Riot Games for Microsoft Windows. Players are formed into 2 even teams of Champions, 3v3 or 5v5. League of Legends is a session-based game. Matchmaking occurs based on the average Elo ratings of each individual players, with slight proprietary adjustments. The game can currently be played in five different modes: Tutorial, Custom, Co-Op v...
rofi
2% remove
Snail Games USA
8% remove
Sven Co-op Team
1% remove
Tolyak26
5% remove
Tolyak26
5% remove
Valve Corporation
6% remove
Counter-Strike is a tactical first-person shooter video game developed by Valve Corporation which originated from a Half-Life modification. The game has been expanded into a series since its original release, which currently includes Counter-Strike: Condition Zero, Counter-Strike: Source, and Counter-Strike: Global Offensive. Counter-Strike pits a team of terrorists against a team of counter-terrorists in a series of rounds. Each round ...
Valve Corporation
7% remove
Half-Life is a science fiction first-person shooter developed and published by Valve. The player takes the perspective of scientist Gordon Freeman.
Valve Corporation
10% remove
Counter-Strike: Condition Zero is a multiplayer video game and the follow-up to Counter-Strike. Unlike other Counter-Strike games, Condition Zero also contains a single-player mission pack with the player playing as counter-terrorist alongside bots. The player unlocks maps and more effective bot teammates as he or she passes certain requirements for each map while playing as a counter terrorist.
Valve Corporation
3% remove
Day of Defeat (DoD) is a team-based multiplayer World War II first-person shooter video game of the European Theatre of World War II. Day of Defeat is a 3D multiplayer shooter that simulates squad-level infantry combat between the adversaries of World War II's European Theatre; the Allies or the Axis Powers. The goal is to complete various mission objectives. Day of Defeat maps do not always require that both teams have the same objecti...
Valve Corporation
5% remove
Deathmatch Classic or DMC is a multiplayer video game developed by Valve. The gameplay is similar to Quake deathmatch, with essentially the same weapons (except the one for melee combat, which is Half-Life's trademark crowbar instead of the original axe), armour and power-ups. DMC also imitates Quake's physics, which allows an advanced player to gain a lot of extra speed or jump very high by using a number of movement skills such as bun...
Valve Corporation
12% remove

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 35.80%
Windows 8 Pro 16.05%
Windows 7 Ultimate 14.81%
Windows 8 9.88%
Windows 7 Professional 7.41%
Windows 8.1 Pro with Media Center 2.47%
Windows 8.1 2.47%
Windows 8 Pro with Media Center 2.47%
Windows 8.1 Pro 1.23%
Windows 8.1 Single Language 1.23%
Windows 8 Single Language 1.23%
Windows Vista Ultimate 1.23%
Microsoft Windows XP 1.23%
Windows Vista Home Premium 1.23%
Windows 7 Home Basic 1.23%

Distribution by countryDistribution by country

United States installs about 40.74% of avutil-51.dll.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 26.92%
ASUS 19.23%
Dell 11.54%
Lenovo 7.69%
Sony 7.69%
MSI 7.69%
American Megatrends 3.85%
Acer 3.85%
Toshiba 3.85%
Sahara 1.92%
Alienware 1.92%
GIGABYTE 1.92%
Samsung 1.92%
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