I have just installed a brand, new fresh Windows 10 in 1903 release. Right after that I have installed the newest publicly available production version of IrfanView.

Soon after that I have realised that IrfanView has somehow "overtaken" Settings application icon:

Click image for larger version Name: Annotation 2019-10-29 103807.jpg Views: 1 Size: 30.3 KB ID: 85260

What is it and what can I do about this?