Ensure you are logged into a Windows account with full administrative privileges. Right-click the AutoCAD installer or update file and select to bypass restricted folder permissions. 2. Update Microsoft .NET Framework
Here are the most effective solutions, ordered from quickest to most thorough: internal error 2602 autocad
Visit the Microsoft .NET Download page to find the latest version. Ensure you are logged into a Windows account
: Insufficient administrator rights or security software (antivirus) blocking the installation process. internal error 2602 autocad
Note: If this stops the error, the issue is your graphics driver. Visit your GPU manufacturer’s website (NVIDIA, AMD, or Intel) and download the latest "Studio" or "Enterprise" drivers, which are generally more stable for CAD software than "Game Ready" drivers.