Microsoft has said it is investigating an issue nicknamed the "black screen of death", which has affected users following a security update

Optimise and tweak Windows

Stuart Turton spends the fifth day of his one week odyssey with Linux, gets his hands dirty with 'Gnome Do' and quickly realises his new found joy for Ubuntu. Has Stuart finally cracked Linux?

Alternative office suite

Launch apps within a safe environment

NASA scientists hope that a chemical sensor for smartphones might one day form the backbone of sophisticated chemical detection network

Why did Dell eventually challenge its direct business model and who was the person to make the leading decision to change tactics?

Which crapware cleaner is really best for giving your laptop of PC a new lease of life? We put TuneUp Utilities 2009, Autoruns and CCleaner to the test.

Packed with features, only its value for money lets it escape without an award this month

Stuart Turton spends the fourth day of his one week odyssey with Linux, hailing the ease of GIMP, before a graphics card meltdown destroys his desktop and forces him to rethink his next move.

Not only can you stream movies from your PC to your big screen TV, but you can turn an Xbox into a media centre, and tap into online video on demand, all from the comfort of your lounge

Check whether your PC can host Windows 7

All-in-one professional system toolkit

Keep your system tuned and drive optimised with this toolkit

Sync your Firefox 3.5 bookmarks, passwords & preferences

Protect your system from spyware

Portable system cleansing & optimisation tool

System cleansing & optimisation tool

TiVo have doubled their drive capacity, introduced IPTV capabilities, vast amounts of new content and better home networking options. But can the marketplace handle another content provider?

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