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    <title>topic Re: Open Autocad 2011   win7 in .NET Forum</title>
    <link>https://forums.autodesk.com/t5/net-forum/open-autocad-2011-win7/m-p/3044116#M60666</link>
    <description>&lt;P&gt;As you made a point of mentioning 64-bit, I'm guessing this is the first time you tested with AutoCAD 64-bit and your application is referencing the 32-bit AutoCAD Type Libraries. You need to either rebuild with the 64-bit TLBs, or rewrite your application to use late binding. (The TLBs have different GUIDs between 32- and 64-bit.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Sorry if you already knew that and that isn't the issue.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Cheers,&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Stephen Preston&lt;/P&gt;
&lt;P&gt;Autodesk Developer Network&lt;/P&gt;</description>
    <pubDate>Thu, 02 Jun 2011 03:38:08 GMT</pubDate>
    <dc:creator>StephenPreston</dc:creator>
    <dc:date>2011-06-02T03:38:08Z</dc:date>
    <item>
      <title>Open Autocad 2011   win7</title>
      <link>https://forums.autodesk.com/t5/net-forum/open-autocad-2011-win7/m-p/3044000#M60665</link>
      <description>&lt;DIV class="lia-message-body lia-component-body"&gt;&lt;DIV class="lia-message-body-content"&gt;&lt;P&gt;Hello&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;I have been developing a vb.net application with autocad 2010 and windows Vista, till now the application is working perfectly but when I try to develop the same application in Windows 7 (64bits) and Autocad 2011 (64bits) the application gets an error in the following line&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&amp;nbsp;Dim m_acadappl As New Autodesk.AutoCAD.Interop.AcadApplication﻿&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;ERROR&lt;BR /&gt;&lt;BR /&gt;Creating an instance of the COM component with CLSID {6D7AE628-FF41-4CD3-91DD-34825BB1A251} from the IClassFactory failed due to the following error: 80010001.﻿&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;I really appreciate if Someone could give me an orientation on what may I do to solve it, since is very strange that is fully working in one version and on the other one no.﻿&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;/DIV&gt;&lt;/DIV&gt;&lt;P&gt;﻿&lt;/P&gt;</description>
      <pubDate>Wed, 01 Jun 2011 23:32:16 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/net-forum/open-autocad-2011-win7/m-p/3044000#M60665</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2011-06-01T23:32:16Z</dc:date>
    </item>
    <item>
      <title>Re: Open Autocad 2011   win7</title>
      <link>https://forums.autodesk.com/t5/net-forum/open-autocad-2011-win7/m-p/3044116#M60666</link>
      <description>&lt;P&gt;As you made a point of mentioning 64-bit, I'm guessing this is the first time you tested with AutoCAD 64-bit and your application is referencing the 32-bit AutoCAD Type Libraries. You need to either rebuild with the 64-bit TLBs, or rewrite your application to use late binding. (The TLBs have different GUIDs between 32- and 64-bit.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Sorry if you already knew that and that isn't the issue.&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Cheers,&lt;/P&gt;
&lt;P&gt;&amp;nbsp;&lt;/P&gt;
&lt;P&gt;Stephen Preston&lt;/P&gt;
&lt;P&gt;Autodesk Developer Network&lt;/P&gt;</description>
      <pubDate>Thu, 02 Jun 2011 03:38:08 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/net-forum/open-autocad-2011-win7/m-p/3044116#M60666</guid>
      <dc:creator>StephenPreston</dc:creator>
      <dc:date>2011-06-02T03:38:08Z</dc:date>
    </item>
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