Stir in salt, garlic powder, worcestershire sauce and flour.
Add water, bouillon and wine; mix well.
Cover and cook on low for 2 to 3 hours.
In the meantime, cook macaroni per package directions.
Add cooked pasta, mushrooms and sour cream to crockpot and stir to mix.
Cover and cook on high for 10 to 15 minutes.
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