When my browser gets text, it is tiny.?

I know I can make it larger with ctrl-plus sign or alt-mouse scroll key. But why's it's happening? How to stop that? It happens MOST of the time...not always. I'm using Vista 64bit/sp2 on HP computer.
If you know how to resolve, give me step-by-step please.

Anonymous2011-09-25T18:39:48Z

Favorite Answer

How to Change the Browser Text Size (All Browsers - Win/Mac): http://www.uchsc.edu/atp/howToChangeTextSize.html
How to Change Text Size or Colors: http://www.w3.org/WAI/changedesign
How to Change Font Size in Internet Explorer 9: http://microsoftfeed.com/2011/how-to-change-font-size-in-internet-explorer-9/
How to Change Font Size in Internet Explorer 9 or Older IE: http://www.computertipsfree.com/how-to-change-font-size-in-internet-explorer/

Ron