100% cpu when scrolling in Adobe Reader 8.1.2

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i've installed reader 8.1.2 on 2003 windows server std edition sp1. everytime open pdf document (regardless of what's contained in it)and scroll using mouse or scroll bar acrord32.exe process spikes near 100% utilization. effect is, scrolling slows down extremely slow , loose control of scrolling until stops. once scrolling stops cpu utilization comes down 0 acrord32.exe process.

side note, i've tried different types of pdf documents, plain text , pictures. same result occurs every time.

any appreciated.

i have problem. 2 gig ram / athlon 2400+ @ 2.0 ghz. adobe reader 9.0.0.0

save headache , dump adobe. since haven't responded i'd give hope on them. i'm using alternative open source alternative. sumatra pdf. opening pdf it's quite slow after it's infinitely better scrolling h311 adobe's reader.


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