TechRadar has teamed up with G Data to offer you the chance to win one of 15 anti-virus software products.

With dangerous new viruses appearing daily and the all-too-real possibility of one striking at any time, a robust and responsive antivirus protection is a necessity to protect your precious digital data.

For over 25 years G Data's antivirus solutions have been keeping computers protected; now you have the opportunity to win one of G Data's award-winning products.

G Data Total Care 2011 offers award-winning virus protection, optimised user guidance and a 'silent' firewall for monitoring all online activities. In addition the software also offers efficient security tuning and the ability to backup data to a wide range of storage media.

Alongside improved award-winning virus protection and optimisation of the intuitive user guidance, G Data InternetSecurity 2011 also protects all online activities by means of a 'silent' firewall. Operating invisibly without any loss of computing power or user-stressing querying, it successfully blocks hackers, viruses and spam.

G Data AntiVirus 2011 offers antivirus, spyware and phishing protection without any loss of computing power. AntiVirus offers users a simple installation experience without compromising protection. Features such as increased scan speeds and reduced memory requirements make this a perfect solution.

All G Data products are updated regularly as new threats develop, always keeping your PC protected.

A 1 year subscription to TotalCare 2011 is worth £39.95, while InternetSecurity 2011 is £29.95 and AntiVirus 2011 is £24.95.

The first five lucky winners will get copies of TotalCare 2011, the second five will get InternetSecurity 2011 and the third five will all win copies of AntiVirus 2011.

This competition is now closed. The winners are O Balboul, D Dean, S Cavill, M Grant, R Davis, S Hoult, A Matthews, P Simpson, E Mooney, K McGuinness, A Davis, D Totton, R Greenaway, H Kainth and C Bull.