Trovigo.com is an unwanted search engine hijacker that renders Internet Options of Windows / Internet Explorer inaccessible. To restore them on an older Windows XP installation, one way that I’ve found to work is to update Internet Explorer to a newer version, aka IE 8 (say via the embedded Windows Update facility or Microsoft Update ...

An annoying feature of Skype of recent Skype versions is that by default it shows an icon on the Windows taskbar apart from the one at the taskbar tray while you’re signed in. This also means it shows in the ALT+TAB key sequence when switching between open windows, which you might not always want to [...]