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Should I remove AC3Filter 2_3a?

What percent of users and experts removed it?
5% remove it95% keep it
Overall Sentiment
Very good
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How common is it?
Global Rank #41,728
Reach 0.0022%


2_3a 100.00%

Other programs by Alexander Vigovsky

AC3Filter 2_3a

What is AC3Filter 2_3a?

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_3a is a software 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 setup package generally installs about 8 files and is usually about 8.61 MB (9,029,432 bytes). Relative to the overall usage of users who have this installed on their PCs, most are running Windows 7 (SP1) and Windows 10. While about 39% of users of AC3Filter 2_3a come from Germany, it is also popular in the United States and Austria.

Program detailsProgram details

URL: ac3filter.net
Installation folder: C:\Program Files\AC3Filter\
Uninstaller: "C:\Program Files\AC3Filter\unins000.exe"
Estimated size: 8.61 MB

Program filesFiles installed by AC3Filter 2_3a

  • ac3config.exe
  • spdif_test.exe
  • unins000.exe - Setup/Uninstall
  • ac3filter_intl.dll
  • BugTrap.dll (by IntelleSoft) - BugTrap (BugTrap dynamic link library)
  • avcodec-53.dll
  • avutil-51.dll
  • dbghelp.dll (by Microsoft) - Debugging Tools for Windows(R) (Windows Image Helper)

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
  • spdif_test.exe is added as a firewall exception for 'C:\Program Files\AC3Filter\spdif_test.exe'.

How do I remove AC3Filter 2_3a?

You can uninstall AC3Filter 2_3a 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_3a, 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 2_3a.

Win 7 (SP1) 66%
Win 7 7%
Uninstall it 5%
Keep it 95%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 72.73%
Windows 10 13.64%
Windows XP 6.82%
Windows Vista 6.82%
Which OS releases does it run on?
Windows 7 Home Premium 36.36%
Windows 7 Professional 18.18%
Windows 7 Ultimate 15.91%
Microsoft Windows XP 6.82%
Windows Vista Home Premiu... 6.82%
Windows 8 Pro 4.55%

Distribution by countryGeography

38.78% of installs come from Germany
Which countries install it?
  Germany 38.78%
  United States 26.53%
  Austria 4.08%
  Ireland 4.08%
  Poland 4.08%
  Belgium 2.04%
  Switzerland 2.04%
  China 2.04%
  Finland 2.04%
  Israel 2.04%
  India 2.04%
  Italy 2.04%
  Netherlands 2.04%
  Norway 2.04%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Acer 20.00%
Dell 17.14%
Hewlett-Packard 14.29%
ASUS 11.43%
American Megatrends 8.57%
Medion 8.57%
Sony 5.71%
Lenovo 5.71%
Packard Bell 2.86%
Intel 2.86%
Common models
Dell Dimension E521 6.90%
ASUSTeK N73SV 3.45%
ASUSTeK K53E 3.45%
ASUSTeK 1015PN 3.45%
Acer Aspire G7710 3.45%
Acer AOA150 3.45%


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