Updates patch "holes" in the OS and do not cause a slow satrtup.. the only thing that can cause slow startups are the number of programs and services you have running.
I suggest you take a look at what is running at startup.
Are you referring to the startup immediately after you install the updates? If so, it takes a while as usually after you install updates, they aren't truly installed and configured until you re-boot and then windows will do the configuration it needs to do. This will cause a slower startup for that first time, but as jmwills stated, it shouldn't affect start ups afterwards.
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thanks for the replys,i went into MSCONFIG and stoped a lot of programs from starting at start up,nothing changed
the problem i have is when i turn on the laptop it hangs at the bios a17 at about 3/4 on the green bar for about a min and then the screen goes black for about another min befor the Windows logo apears and it never did it with the a14 bios