You’ve got questions and we’ve got answers. Today we highlight how to save your computer if it’s so overrun by viruses and malware you can’t work from within Windows, install iTunes without all the bloat, and tame a hyper-sensitive trackpad.

Once a week we dip into our mailbag and help readers solve their problems, sharing the useful solutions with you I the process. Read on to see our fixes for this week’s reader dilemmas.