'Attention - Considerable System productivity decline is observed' Fake Message

'Attention - Considerable System productivity decline is observed' is a security notification generated by PC Protection Center. PC Protection Center is a rogue security application that uses fake alerts such as 'Attention - Considerable System productivity decline is observed' to trick users into believing that their computers have a problem. Once a user is convinced, he/she will be coerced into purchasing the full version of PC Protection Center in order to remove the purported problem. Fake alerts 'Attention - Considerable System productivity decline is observed' is advisable to ignore, however it would be wise to use a rogueware removal tool to rid your PC of PC Protection Center as soon as possible.