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CAD tip CAD tip # 6983:

Question CAD 
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Q - question

Startup error: Revit could not load RevitMFC.dll

A - answer All Autodesk application of the 2010 family (and higher) require the CPU instruction set "SSE2". This instruction extension is available in all newer processors by Intel and AMD.

The installer checks (during installation) whether your processor (computer) is compatible but some older AMD processors slip through this test undetected. And the missing SSE2 instruction set then causes the "MFC could not load" error.

You will need a newer PC to run Revit 2010.

100% *  CAD 
9.10.2009    7894x  
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applies to: Revit 2010 · MEP2010 ·

See also:
Tip 6596:Does my processor support SSE2 and EM64T, required by the 2010-family CAD application?
Tip 6262:Disabled rendering after installation of Revit 2009.
Tip 6190:Some materials are rendered as black only.

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