Uninstall the existing service at C:\Program Files (x86)\Common Files\Autodesk Shared\AdskLicensing , then download the latest version from Autodesk Support . Disable Security Software
While not all errors can be prevented, following these best practices can minimize the risk:
Internal Error 2602 is a generic memory management or database validation error within AutoCAD. It signifies that the AutoCAD engine has attempted to reference a specific memory address, data structure, or drawing object block that is corrupt, missing, or blocked by the operating system.
Antivirus programs often intercept the rapid file extraction process used by Autodesk, resulting in missing file errors like 2602. internal error 2602 autocad
Navigate to your specific AutoCAD version folder (e.g., AutoCAD 2024 or AutoCAD 2025 ). Open the folder.
Click the Windows Start menu, type , and select Change User Account Control settings .
Use the tool in Windows to remove temporary files. Antivirus programs often intercept the rapid file extraction
Help Needed / Solution: AutoCAD Installation - Internal Error 2602 Body: Hi everyone,
AutoCAD will audit the file database and attempt to repair any broken pointers or structural errors. Use the AUDIT and PURGE Commands If the file opens but crashes shortly after: Type AUDIT and press .
Overprotective security software can block the execution of deep registry changes during an AutoCAD deployment. Click the Windows Start menu, type , and
Select your AutoCAD version and click or Modify .
Right-click the installer file and select Run as Administrator to bypass permission-related blocks.
Delete the C:\Autodesk folder and perform a fresh download using the method from your Autodesk Account. Advanced Fix: Temporary Folder Mapping
Ensure your hard drive has enough free space beyond the minimum installation requirements.