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CATIA crashes specifically when entering the Drafting module (especially after Windows updates).
The default path is usually C:\Program Files\Dassault Systemes\B21 . You can leave this as default or select a custom directory. Click Next . Install Catia V5 R21 On Windows 11
Right-click on setup.exe and select . (Never skip this step, as admin privileges are required to register files to the system). Step 2: Navigate the Installation Wizard CATIA crashes specifically when entering the Drafting module
A Windows update causes CATIA to stop working. Install Catia V5 R21 On Windows 11
Before touching the installer, prepare your Windows 11 environment. Failure to do so results in cryptic errors like "Runtime error" or "License server unreachable."
The community generally recommends: "If circumstances permit, install a newer version. The versions used by manufacturers are now quite high."