All about ASWCS Files

The ASWCS file type is primarily associated with avast! Antivirus.

ASWCSFile Extension ASWCS
File extension: ASWCS
File type:  Skin

What is an ASWCS file

ASWCS files mostly belong to avast! Antivirus by ALWIL Software. Use our "Online ASWCS Text Viewer" below to analyze your ASWCS file and to see all text it contains.

How to open ASWCS files

You need a suitable software like avast! Antivirus to open an ASWCS file. You need a suitable software like avast! Antivirus from ALWIL Software to open an ASWCS file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your ASWCS file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ASWCS file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ASWCS Text Viewer

Choose your .aswcs file to analyze

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.ASWCS File Not Opening? How to Fix It:

ASWCS files can come from different programs and aren't universally openable.

  1. Identify the Source: If you downloaded a custom interface theme or received it from an Avast user, it is likely an avast! Antivirus Skin file.
  2. Check the Header: Inspect the first bytes in a text editor or hex viewer:
    • "PK" indicates a ZIP archive, common for packaged skins.
    • Readable XML suggests a configuration file.
  3. Use the Original Software: The original program is usually required. Try applying it with avast! Antivirus (by ALWIL Software) or an archive tool like 7-Zip. If uncertain, ask the sender.
  4. Use this Webpage: Drag and drop the file into our viewer to detect the format, extract readable text/metadata, and preview when possible.

Technical Data for ASWCS File Extension

Program ID:
aswsfile
Related files:
Mime type:
application/avast-aswcs

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: aswsfile
EXEFile: %ProgramFiles%\Alwil Software\Avast4\ashSimpl.exe %1

ProgramID: aswsfile
EXEFile: %ProgramFiles%\Avast!\ashSimpl.exe %1

ProgramID: aswsfile
EXEFile: %ProgramFiles%\Avast4\ashSimpl.exe %1


an aswcs Skin is a special file format by ALWIL Software and should only be edited and saved with the appropriate software.

How to solve problems with ASWCS files

  • Associate the ASWCS file extension with the correct application.
  • Update your software that should actually open skins. Because only the current version supports the latest ASWCS file format. Search, therefore, e.g. on the ALWIL Software manufacturer website after an available avast! Antivirus update.
  • To make sure that your ASWCS file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
  • Click here to open your .ASWCS file online - secure, fast, and no downloads needed.
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