Start-up time is an important feature and has remained largely stable. On a sample selection of machines around the office here the start-up time (under normal circumstances) is sub-second.
There are a few factors that can affect start-up time, such as anti-virus product and/or other products but also if you have large history files. However, the first thing I'd recommend is the thing everyone dislikes, a reboot of Windows. It's a pain but it really does work in a large number of situations.
If that doesn't work try this:
The default location for the folder will be here:
If that doesn't work contact Tech Support.