recently i had a windows crash , i was trying to analyze unfortunately i got an error message " THIS DUMP FILE IS PARTIALLY CORRUPT" Why does it happened , how to avoid this next time

you can give checking your pagefile settings a try http://blogs.msdn.com/b/dougste/archive/2009/06/12/this-dump-file-is-partially-corrupt.aspx http://blogs.msdn.com/b/ntdebugging/archive/2009/06/12/save-support-dollars-by-checking-your-memory-dump-before-calling-support.aspx also talks about a few reasons

here is my page file setting alllocated : 16383 MB