I seem to recall DW having problems running on dual core processors which can cause lag or freezing. I believe the answer was to turn one off the CPU's off. Also, in the graphics card settings make sure AA is not enabled.
Hope you get the problem sorted.
Nemo
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"I'm afraid there is no disguising the fact that King's obsession with the Pacific and the Battle of Washington cost us dear in the Battle of the Atlantic".
Sir John Slessor GCB, DSO, MC, DL
AOC-in-C Coastal Command RAF
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