84,488,480 programs installed

Should I remove AC3Filter?

What percent of users and experts removed it?
3% remove it97% keep it
Overall Sentiment
Very good
What do people think about it?
(click star to rate)
How common is it?
Global Rank #2,156
United States Rank #3,490
Reach 0.2976%
Lifespan of installation (until removal)
< 18.25 days
538.48 days >
Average installed length: 282.93 days


2.5b 100.00%

Typically installed together

Other programs by Alexander Vigovsky

AC3Filter 2.5b

What is AC3Filter?

AC3Filter is a free DirectShow filter for real time audio decoding and processing. It can decode the audio formats AC3, DTS, and MPEG Multichannel.

About  (from Alexander Vigovsky)

AC3Filter is a free audio decoder and processor filter. It allows media players to playback movies with AC3 and DTS audio tracks. Also it can process any audio track; much of processing options allows adjusting the sound in almost any way. It is possible to up mix any audio source to six channels. Filter can do multi-c...  Read more


AC3Filter 2.5b is a program developed by Alexander Vigovsky. A scheduled task is added to Windows Task Scheduler in order to launch the program at various scheduled times (the schedule varies depending on the version). The software is designed to connect to the Internet and adds a Windows Firewall exception in order to do so without being interfered with. The software installer includes 24 files and is usually about 7.26 MB (7,616,205 bytes). In comparison to the total number of users, most PCs are running the OS Windows 7 (SP1) as well as Windows 10. While about 28% of users of AC3Filter come from the United States, it is also popular in Japan and Germany.

Program detailsProgram details

URL: ac3filter.net
Installation folder: C:\Program Files\AC3Filter\
Uninstaller: "C:\Program Files\AC3Filter\unins000.exe"
Estimated size: 7.26 MB

Program filesFiles installed by AC3Filter 2.5b

  • ac3filter_2_5b.exe - AC3Filter (AC3Filter Setup)
  • ac3config.exe
  • ac3filter_intl.dll
  • spdif_test.exe
  • unins000.exe - Setup/Uninstall
  • uninstall.exe

Program behaviorsBehaviors exhibited

Scheduled Task
  • ac3config.exe is scheduled as a task with the class '{21F27BF0-1835-4838-B772-22531AAFDCD6}' (runs on registration).
Windows Firewall Allowed Program
  • ac3config.exe is added as a firewall exception for 'C:\Program Files\XP Codec Pack\filters\ac3config.exe'.

How do I remove AC3Filter?

You can uninstall AC3Filter from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8/10: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program AC3Filter 2.5b, click it, and then do one of the following:
    • Windows Vista/7/8/10: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove AC3Filter.

Win 7 (SP1) 65%
Win 7 0%
Uninstall it 3%
Keep it 97%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 70.97%
Windows 10 15.95%
Windows XP 8.60%
Windows Vista 4.43%
Windows Server 2003 0.05%
Which OS releases does it run on?
Windows 7 Home Premium 30.87%
Windows 7 Ultimate 24.22%
Windows 7 Professional 11.93%
Microsoft Windows XP 8.56%
Windows 8.1 3.18%
Windows Vista Home Premiu... 3.10%

Distribution by countryGeography

28.36% of installs come from the United States
Which countries install it?
  United States 28.36%
  Japan 7.27%
  Germany 6.03%
  United Kingdom 4.38%
  Canada 3.26%
  Turkey 2.38%
  Australia 2.33%
  India 2.17%
  France 1.98%
  Italy 1.84%
  Croatia 1.78%
  Romania 1.68%
  Netherlands 1.65%
  RS 1.57%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 21.40%
Acer 18.91%
Dell 18.33%
ASUS 12.98%
Toshiba 5.35%
Samsung 4.68%
Lenovo 2.80%
Intel 2.43%
American Megatrends 1.73%
NEC 1.43%
Common models
HP Pavilion dv6 Notebook ... 8.21%
HP Pavilion g6 Notebook P... 5.54%
ASUS All Series 3.69%
HP Pavilion dv7 Notebook ... 3.38%
Dell Inspiron N5110 3.18%
HP G62 Notebook PC 1.95%


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