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CAD tip CAD tip # 11665:

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This is a known problem caused by the latest (October) Windows Update and influences all MS .NET Windows applications using Excel automation. Uninstall the following Microsoft KB updates: 

Win7: KB4041681
Win8.1: KB4041693
Win10/1607: KB4941691
Win10/1703: KB4041676
The same update also causes the problem with thread functions in Inventor.

Detailed information and instructions for a manual fix (restoring a single DLL) see our blog InventorGuru (in Czech).

UPDATE: the problem was fixed in Microsoft's November Windows Update

The same symptoms may appear if your file path contains apostrophes (').

ACADInv
100% Win10,Win7CAD
25.10.2017    9164×  
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applies to: AutoCAD · Inventor ·

See also:
Tip 14681:How to quickly convert XLS tables to CSV format without opening Excel?
Tip 14361:Extended ATTOUT/ATTIN for block attribute management in Excel (also for LT).
Tip 14304:How to generate a report of used blocks including their visibility status in AutoCAD LT?
Tip 13855:DBXscanLayers and DBXscanBlocks - bulk report content of DWG files in a folder.
Tip 13826:Overview of a document history in Autodesk Docs.
Selected tip: Display K-Factor in drawing views of bent sheetmetal.


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