安裝cad失敗或是中斷，常常出現下面這個訊息
C:Docume~1admini~1locals~1tempautocad 2006 setup.log
安裝失敗的訊息就在AutoCAD 2006 Setup.log這個檔案中
這是個隱藏檔，打開檔案總管 依循路逕一般是看不到的，依照下列設定：
打開檔案總管>>工具>>資料夾選項>>檢視>>
注意：隱藏藏已知檔案類型的副檔名-----------(不要打勾)
注意：隱藏保護的作業系統-----------(不要打勾)
注意：顯示所有的檔案和資料夾-----(打勾)
設定好記得點一下套用再點確定，打開檔案總管，依路徑可以看到AutoCAD 2006 Setup.log這個檔案
打開檔案應該會顯示下列類似的訊息：
[10/28/2006 12:43:33] === Installation started on HOME-7C70FAFD0D by user ===
[10/28/2006 12:43:35] === Installation ended ===
[10/30/2006 00:11:04] === Installation started on HOME-7C70FAFD0D by user ===
[10/30/2006 00:11:12] [Info] Windows Installer upgrade is not required
[10/30/2006 00:11:12] System Version = 3.1.4000.2435
[10/30/2006 00:11:12] Installation skipped: MSI Runtime 3.0
[10/30/2006 00:11:12] [Info] .NET Framework Runtime upgrade is not required
[10/30/2006 00:11:12] System Version = 1.1.4322.2032
[10/30/2006 00:11:12] Installation skipped: .NET Framework Runtime 1.1
[10/30/2006 00:11:12] Installation started: .NET Framework Runtime 1.1 Language Pack
[10/30/2006 00:11:12] Command = "G:BinAcadFEUIsupportdotnetfxchtlangpack.exe" /q:a /c:"inst /qb"
[10/30/2006 00:11:15] [Error: 1603] 安裝時發生嚴重錯誤。
[10/30/2006 00:11:15] Installation failed: .NET Framework Runtime 1.1 Language Pack
[10/30/2006 00:11:15] Installation aborted
[10/30/2006 00:11:42]
=== Installation ended ===
第一行：Windows Installer upgrade is not required
通常無法安裝的第一步都是因為XP認證問題，很多人使用盜版XP而不敢更新，也有人認為不被XP設定盜版的情況下乾脆不要更新，這個動作導致XP更新元件無法安裝到電腦中，而這些XP更新程式又是CAD安裝時所需要的元件。兩種方法：1.買正版XP讓WINDOWS UPGRADE更新程式正常。2.破解XP認證程式，可以繼續WINDOWS UPGRADE更新XP。
第二行：Installation skipped: MSI Runtime 3.0
System Version = 3.1.4000.2435 系統中已經安裝更新的版本，可是CAD必須有MSI Runtime 3.0版本，所以上網到WINDOWS UPGRADE去下載更新元件。
第三行：Installation skipped: .NET Framework Runtime 1.1
Installation started: .NET Framework Runtime 1.1 Language Pack
System Version = 1.1.4322.2032 系統中已經安裝更新的版本，可是CAD必須有Installation skipped: .NET Framework Runtime 1.1 及Installation started: .NET Framework Runtime 1.1 Language Pack 這兩項更新元件，一樣上網到WINDOWS UPGRADE去下載更新元件。
其實錯誤訊息因個人電腦狀況不同而產生不一樣的錯誤訊息，整理了一些網友常見的問題，提供下載的聯結，請針對需要或尚缺的XP元件下載安裝(盡可能不要重複安裝)，些連結都是微軟網站發佈的更新元件，大可不必擔心病毒的問題：
Installation skipped: MSI Runtime3.0
<----
http://www.microsoft.com/downloads/details.aspx?familyid=9e59c3fb-e7bc-4d91-908e-411a8d329f3d&displaylang=en Installation skipped: .NET Framework Runtime 1.1<----下載連結
http://www.microsoft.com/downloads/details.aspx?FamilyId=262D25E3-F589-4842-8157-034D1E7CF3A3&displaylang=en Installation started: .NET Framework Runtime 1.1 Language Pack<----下載連結
http://www.microsoft.com/downloads/details.aspx?FamilyId=04DBAF2E-61ED-43F4-8D2A-CCB2BAB7B8EB&displaylang=en Installation skipped: .NET Framework Runtime 1.1 SP1<----下載連結
http://www.microsoft.com/downloads/details.aspx?FamilyID=a8f5654f-088e-40b2-bbdb-a83353618b38&displaylang=en Installation skipped: MDAC 2.7<----下載連結
http://www.microsoft.com/downloads/details.aspx?FamilyID=9ad000f2-cae7-493d-b0f3-ae36c570ade8&DisplayLang=en Autodesk DWF Viewer<----下載連結
http://www.autodesk.com.tw/adsk/servlet/index?siteID=1170616&id=3752111 如果 NET Framework Runtime 1.1 Language Pack無法安裝
建議 ：控制台>>新增移除>>移除NET Framework Runtime 1.1及NET Framework Runtime 1.1 Language Pack這兩個程式，重新下載NET Framework Runtime 1.1及NET Framework Runtime 1.1 Language Pack這兩個程式。
