No matter which operating system runs your computer, there are tips and tricks that make tasks easier or faster or less annoying. This week we'll take a look at some that apply to Windows and the MacOS. In Short Circuits: Website owners should beware of messages that appear to be warnings from their hosting company. Scammers are trying to steal login credentials, but it's easy to spot a phony. The most dangerous application on your computer continues to be the one that sends and receives email. In Spare Parts (only on the website): A new botnet can control some 5000 websites, more than half of them on servers operated by GoDaddy according to security firm Proofpoint. • Serious gamers need to shell out a lot of money for their computers, but the specifications for these machines are astounding. • If you're not ready yet for a self-driving car, you're in the majority. • New European Union privacy rules went into effect on 25 May and they affect the operation of websites outside of Europe.