naggetry
Naggetry is when software won't stop bugging you like a broken parrot on a hot summer day. It pops up everywhere, shouting at you about security, firewalls, and why you didn't buy a subscription.
Windows Vista: 'You didn't install that one thing! Why? Why? WHY?!!!'
Freeware: 'Just one more click and you won't be nagged ever again... really.'
Shareware: 'You used it three times! You owe me money!'