"Lens Error. Will Shut Down Automatically. Restart Camera" - Canon S100 Powershot
Did you get a lens error for your Canon Powershot S100 (or s95) - or heck, any model?
There are a few videos that talk about the problem and then just send you to some website.
Do what I did. Go to http://www.canon.com, click contact us, and give 'em a call.
I'm getting mine fixed for free. You might be able to do the same