What is Wppmedia folder and etl files in Windows OS ?


👤 Diwas Poudel    🕒 Jul 20 2022    📁 TECH

The Wppmedia folder is the Windows folder that is used for logging and debugging by applications that use the United Communication Client API. Some examples of these types of applications include Skype, Windows Live Messenger, and Office Communicator/Lync.The Unified Communications client API supports messaging, voice and video calling, meetings, team collaboration, and file sharing.

The logs maintains by Wppmedia folder contains data about application and system-level errors, warnings, info, verbose, and other events.

Microsoft developed WPP, which is a tool that makes it easier to implement efficient software tracing in drivers and applications that target Windows 2000 and later operating systems by simplifying the process of using WMI event tracing.

WPPMedia is an abbreviation for the Windows software trace preprocessor.

You can find the content of WPPMedia in the following path:

C:\USERS\%username%\Tracing\WPPMedia\*.*

Contents of WPPMedia folder 

Mainly it contents following folders.They are generally .etl and .etl.bak files.

  • Media_MediaStackETW-2-U-xr-U.etl
  • Media_MediaStackETW-2-U-xr-U.etl.bak
  • MediaAgent_MediaStackETW-2-U-xr-U.etl
  • MediaAgent_MediaStackETW-2-U-xr-U.etl.bak
  • Skype_MediaStackETW-2-U-xr-U.etl
  • Skype_MediaStackETW-2-U-xr-U.etl.bak
    wppfolder-content
    fig. WppFolder Content

Who uses the content of WPPMedia folder ?

These logs are created and maintained automatically by software that you have installed, such as Skype or Windows Live Messenger.So, if somethings happens in skype or Windows Live Messenger then and you contact the support help desk, the support help desk may ask you to send error logs stored in WPPMedia folder to help analyze and troubleshoot system-level issues.

When was they generated ?

It stores trace messages that have been generated during trace sessions, including information about disk accesses and page faults etc.

What is etl files ?

You will find the etl files and their backup file (i.e., etl.bak) inside the Wppmedia folder on your computer. The Event Trace Log files that are saved with an etl extension are used for debugging purposes.

Is .etl dangerous ?

At least you have not downloaded from anywhere .etl files present inside WppMedia folder are non harmful so they are not  dangerous. If you find any suspicious then you can scan with antivirus and antimalware software.

Can we delete .etl files ?

You are able to delete them, yes. However, there are no benefits to deleting the files in any way. because of the small size of the files, which means that they do not take up much space on your disk.
Therefore, my recommendation is to just leave it in its current state.

Can we open .etl files ?

.etl files can be opened in notepad, but the content inside is unreadable because it is in binary format.

But you can open and read the content using Event Viewer. 

For this steps are as follows:

1 Goto run and type eventvr.msc and press Enter.
2 On the right pane, under Action you will find Open Saved Log . Click on it and navigate to the etl files and double click on it .
Then you will get popup stating "Classic,Analytic and Debug event logs are easier to navigate and manipulate when converted to new event log format.Would you like to create a new event log copy now?"

3 Click on Yes.

You will get content in tabular format.

What is Skype Media Stack files ?

These are the files found in the Tracing/WppMedia folder. They may contain statistics about your contacts, as well as your user behavior and actions in Skype.

They were produced by earlier versions of Skype and can no longer be used in the program. These files hold information regarding the media capabilities offered by Skype.(source)

Main Source: Wikipedia

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