Many file extension not registered in Windows 11 and no way to fix this

I have installed IrfanView (for browsing images) and VLC VideoLAN (for watching video) — my “default pack” on freshly installed Windows 11 Pro. It turned out that many common file extensions (like .gif, .png, .jpg, .mp4, .mkv and .avi) are not registered with the corresponding applications. While all others (like .bmp, .mp3, .wav, etc.) are registered correctly.

Microsoft has messed things up even further with Windows 11 so the regular methods of manually registering these file extensions (that were working just perfectly in Windows 10) are not working anymore.

If you’re struggling with this or similar problem then you may find certain solutions in this blog post.

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Additional keyboard layout available in Windows

If, after installing Windows 10 or 11 and some languages, when you press Win+Space you see some additional keyboard language (the one that does not belongs to any installed language):

Then the solution is as simple as:

  1. Install that language (English (United Kingdom) in the above example)
  2. Go to language details and install the keyboard layout (Polish (Programmers) in here)
  3. Uninstall the whole just added language language pack

After that pressing Win+Space should reveal only languages and keyboard layouts that you have actually installed in your system.

Source: How to get rid of US language in Windows 11.

Remove garbage from Windows 11

Four years later (after this article) I am removing “uninstallable” garbage from Windows 11 this time. The “uninstallable” is a new word that denotes applications, programs and system elements that you cannot uninstall the regular way (i.e. using Add or Remove Programs component in Settings). But you can with a little bit help from Windows PowerShell and this article.

To not make this post too long, consider it as an update to the original text with only list of applications that can be uninstalled the mentioned way from Windows 11. If you have any additional questions or problems (i.e. how to bring back something incorrectly uninstalled) then, please, refer to the original post.

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Export PuTTY settings or sessions out of Windows Registry

PuTTY stores all sessions in Windows Registry, not in a file, so if you want to export these and import on some other computer or account then follow these steps (source):

  1. Press Win+R to run Registry Editor in Windows
  2. Type or paste the following (and hit Enter to confirm):
regedit /E "C:\Trash\PuTTY Settings.reg" HKEY_CURRENT_USER\Software\SimonTatham

Adjust path after /E switch to match your expectations.

Execute the following (instead of above):

regedit /E "C:\Trash\PuTTY Sessions.reg" HKEY_CURRENT_USER\Software\SimonTatham\PuTTY\Sessions

if you wish to export just sessions, not the entire configuration of PuTTY.

Double click exported .reg file in order to import sessions or settings on a new computer.

Source: How to Export and Import Putty Settings (by TechEarl -May 27, 2018)

Adding new application to Yii 2 Advanced Project Template

After writing the previous article I have realized that I solved the problem quite wrong. I added the example RESTful app controller to the frontend application in the multi-application Yii 2 Advanced Project Template environment.

I have also realized that the corresponding Yii 2 Guide is very, very poor and limited. It only tells you that you can have many applications (like backend, fronted and console) in the multi-application Yii 2 Advanced Project Template environment. But it leaves you completely guessing on how to actually add new application.

This quick article is my memo to remember steps that must be undertaken in order to achieve this.

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