Re: Windows just gets slower over time
That's pure nonsense, like the rest of you post which talks about Windows, ActiveX and NET (the myth of Windows getting slower has been debunked a long time ago, and saying that a growing Registry is slower just shows your lack of understanding of how the Registry actually works).
Really? So a badly structured and inefficient database that grows and grows and never shrinks and is referred to repeatedly and continuously by the Windows Shell won't slow a system down?
.NET is inefficient. While there are a lot of optimisations in there (particularly on the fully compiled side), it is still slower and less efficient than non-managed code. This isn't always a bad thing, just an important thing to understand when using .NET. ActiveX / COM is the same.
There are continuous new viruses coming out, although you are quite correct in the reduction as the difficulty level of introducing new viruses has steadily risen and the alternative attach vectors that are easier to attack. The daily definition updates and AV software updates demonstrate this (and from a marketing point of view, make the AV software look more useful). However it is not possible for an ever growing definition database to not have a steadily increasing impact on scanning resources. While a lot of clever filtering goes on, the more definitions, heuristics and adaptive scans that are required, the more resources are used.