Longbow Software Blog

by Simon Booth

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Official DirectX 9.0c June 2010 Offline setup (dxsetup.exe)

Posted on February 10, 2021 by simonbooth

Windows 10 comes with DirectX 11 installed by default however that version of DirectX doesn’t work very well with old software (games or CAD) you need DirectX 9.0c. Microsoft just removed the online installer for DirectX 9.0c making it very difficult to find.

Here’s the official Microsoft full (offline) setup for DirectX 9 (9.0c), released June 2010…

DirectX-9.0c-June-2010-Full-Offline-Install Download

Block AutoCAD internet access

Posted on January 4, 2021 by simonbooth

If you want to run AutoCAD in offline mode and block all internet access to and from AutoCAD executables, including the licensing modules and tracking components…

Obtain your purchased copy of the Longbow Converter here
Start the Converter App
Select the 3st tab named “Old AutoCAD Program Reviver”
1. Using the “. . .” button, selection your AutoCAD installation
2. Enable “Run in Offline Mode“
3. Click “Fix Old Program“

NOTE: You can re-enable by disabling “Run in Offline Mode” and then clicking “Fix Old Program“