Normally, if you doubleclick on an image on my desktop, it opens up to be viewed, but since I installed Wine (using Synaptic), this doesn't work. Instead it tries to use Wine to open them (very slowly), and comes up with an alert headed "Error" and saying "DDE failure". This is annoying, because it's hard to remember to always right-click and select something else.

This morning I also realized that the message that comes up every startup may be connected. The startup sound fails but I get a request to look for a "suitable plugin". As this message never tells you which file is causing it, I could be wrong about this, but it seems likely, as it's the only sound I can find that should be playing at startup.