M4A Playing Issue

[xTen]

Your upload played fine here on my AIMP 5.11.2432 x86, Windows 10 x64.  MediaInfo:

What the hell is going on here (Attachment)?! What's wrong with my AIMP. 

[Алексей Долматов]

This is not a new portable setup.
You ignored the prompt to install the program separately, to a separate folder. The program will have a basic skin, basic settings, a music library and only one test file.

This is important to determine if there is a problem with the current set of player settings and files on your system.

[xTen]

It's just an AIMP skin!

I've been updating AIMP (portable) for five years and never had this problem!
Every time I double click on an installer file (AIMP new update exe file), it asks me if I want to update the current path AIMP's files (my portable app folder, which AIMP is there) and I press the update button. (ss below)

I never had a problem with m4a!

[Алексей Долматов]

Specify another folder without files on the displayed page. Launch the player from the new folder.

[xTen]

I installed a new portable version on the Desktop. It plays!!!
What about my current AIMP user profile settings?! My playlists and settings (I can't remember what settings I have changed, there are a lot of settings which I changed in these years).

The previous updates didn't have this problem. Why AIMP update policy has been changed?!

[Алексей Долматов]

Now we have found out that something is broken in your regular player.
Nothing has changed in the update policy, otherwise it wouldn't be a single user issue.
If you copy the profile folder to the new profile folder, will there be a problem?
If it does, then try to unload all plugins, restart the player, load plugins.

Restart the player.

[xTen]

Solved  ! Just one question, I had some of them off (uncheck), and I can't remember which ones! How can I reset to the AIMP default plug-ins (loaded at the first time installation)?

[Алексей Долматов]

Load all -> Unload non-standrd.
Read the descriptions of the plugins, their tab arrangements.
For example, do not use visualizations - turn them off, do not send what you listened to to the Internet service - turn off the scrobbler.
Decoders are not recommended to be turned off if you are not sure of their purpose.

[xTen]

Thanks. I have some of them unloaded already. But the option is greyed out.

[Алексей Долматов]

There are no non-standard plugins to unload. :=)

[xTen]

Thanks for your time and help