When adding emoticons to your PowerPoint slides, sometimes the rendering might not be as expected. For example, PowerPoint renders the emoticon only in a textual, monochrome variant on the slide. So, how can we influence this behavior?

When recently creating a Linux Docker image using Docker for Windows, I ran into a couple of vague errors. Searching online for the error messages, weren’t any solutions. But luckily some suggestions put me on the right track. In this post I write about the solutions I found.