Internal Error 2602 Autocad __exclusive__ Jun 2026

Internal Error 2602 Software: Autodesk AutoCAD (and verticals like Civil 3D, MEP, Architecture) Severity: Critical (Application Crash)

Temporarily disable your or User Account Control (UAC) , as these can block the installer's access to critical system folders. 4 Use Microsoft Fix-it internal error 2602 autocad

Error 2602 is a Windows Installer (MSI) error code indicating that the setup engine cannot find or access a specific file or folder reference within its internal database table (specifically the File table). When AutoCAD attempts to map its installation paths, a mismatch or a missing temporary file triggers this crash. Common Causes of Error 2602 Common Causes of Error 2602 Install updates, hotfixes,

Install updates, hotfixes, and service packs exclusively through the official Autodesk Access desktop app to avoid fragmented installations. internal error 2602 autocad

How to Fix Internal Error 2602 in AutoCAD: A Complete Troubleshooting Guide

Press Windows Key + R , type %temp% , and hit . Delete all files and folders within this directory (skip any files currently in use).

Important: Re-enable your antivirus immediately after the installation completes. 5. Re-register the Windows Installer Engine