Autocad 2005 Portable Fix |link|

: Performance often improves after clearing temporary cache files from your system. 2. Resolving "Not Responding" or Crashes AutoCad 2005 problems??? - Forums, Autodesk

This guide outlines the essential fixes to keep your AutoCAD 2005 running smoothly. 1. Compatibility Mode and Administrator Rights autocad 2005 portable fix

Let's be brutally honest:

It is critical to note that many "portable fix" packages found online are unofficial and often violate end-user license agreements (EULA). Because AutoCAD 2005 is "abandonware" in the eyes of many hobbyists but still intellectual property of Autodesk, these fixes exist in a legal gray area. Furthermore, "pre-cracked" portable versions are notorious vectors for malware, as they require administrative privileges to write to the registry or system folders. Conclusion : Performance often improves after clearing temporary cache