The small book contains valuable advice and practical guidance which will save you it's cost many times over. Should you fall victim to a device infection it could certainly save you the substantial costs of having your devices repaired 'by an expert' after they've become infected. Internet Security & Internet Privacy are uppermost in all web surfers minds these days. If you aren't taking care of it, then the hackers certainly will. This will also help you check and protect against the Cryptolocker Ransomware and ZeuS Threat levels which have been raised again. You'll discover how to diagnose possible security and privacy issues on your devices, how to rectify the issues you find and then how to maintain them and keep them running smoothly in the future. Even better - I'll show you how to do it all using mainly free software and resources. There's also a section on data recovery and extracting data from a dead device. No longer will you need to depend on your partner, kids or friends to sort out your laptop, smartphone or tablet devices when they're just not working properly. In fact when you've gone through this short book, they may well be turning to you for help next time! This book is an expanded version of a course I currently teach on Udemy.com, here's what a couple of students have said: Five Star Review: ''I'm not the world's greatest computer expert, so anything that makes my life less of a hassle on my desk-top when things go wrong has to be a good thing. This course tells me all I need to know to solve, overcome and prevent problems. Well worth the small investment.'' Five Star Review: This course filled in the gaps on how to protect my pc. I've been dealing with a slow pc for months. Now I have a faster pc.