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    <title>topic Re: installed 9, now can't run 8.1 in Installation &amp; update</title>
    <link>https://community.graphisoft.com/t5/Installation-update/installed-9-now-can-t-run-8-1/m-p/88955#M10492</link>
    <description>&lt;BLOCKQUOTE&gt;David wrote:&lt;BR /&gt;but contrary to Ben's reply, I can run both ArchiCAD 8.1 and 9.0 simultaneously on the Mac.&lt;/BLOCKQUOTE&gt;
with only one key? or do you have a network license?&lt;BR /&gt;
&lt;BR /&gt;
~/archiben</description>
    <pubDate>Wed, 05 Jan 2005 05:39:01 GMT</pubDate>
    <dc:creator>__archiben</dc:creator>
    <dc:date>2005-01-05T05:39:01Z</dc:date>
    <item>
      <title>installed 9, now can't run 8.1</title>
      <link>https://community.graphisoft.com/t5/Installation-update/installed-9-now-can-t-run-8-1/m-p/88951#M10488</link>
      <description>&lt;DIV class="actalk-migrated-content"&gt;This seems to maybe be a key issue?&lt;BR /&gt;&lt;BR /&gt;I installed 9, upgraded the key, and AC9 will run but now 8.1 will not start. I get the starting screen graphic and then the spinning rainbow wheel and can only force quit out. Downloaded wibu key update from the support page, tried re-installing 8.1 (then updating to v2) and running the wibu update all to no avail.&lt;BR /&gt;&lt;BR /&gt;thoughts? &lt;BR /&gt;&lt;BR /&gt;Thanks!&lt;BR /&gt;Katie Bertsche&lt;BR /&gt;&lt;BR /&gt;Mac 1.2g G4, OSx.3.7&lt;/DIV&gt;</description>
      <pubDate>Thu, 30 Jan 2025 09:51:57 GMT</pubDate>
      <guid>https://community.graphisoft.com/t5/Installation-update/installed-9-now-can-t-run-8-1/m-p/88951#M10488</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2025-01-30T09:51:57Z</dc:date>
    </item>
    <item>
      <title>Re: installed 9, now can't run 8.1</title>
      <link>https://community.graphisoft.com/t5/Installation-update/installed-9-now-can-t-run-8-1/m-p/88952#M10489</link>
      <description>just a thought:&lt;BR /&gt;
&lt;BR /&gt;
you're not trying to run them simultaneously are you? one key will run many sessions of the same version, but not of multiple versions. i.e. you can only run 8.1 &lt;B&gt;or&lt;/B&gt; 9 - not both together . . .&lt;BR /&gt;
&lt;BR /&gt;
any good?&lt;BR /&gt;
~/archiben</description>
      <pubDate>Tue, 04 Jan 2005 04:51:50 GMT</pubDate>
      <guid>https://community.graphisoft.com/t5/Installation-update/installed-9-now-can-t-run-8-1/m-p/88952#M10489</guid>
      <dc:creator>__archiben</dc:creator>
      <dc:date>2005-01-04T04:51:50Z</dc:date>
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    <item>
      <title>Re: installed 9, now can't run 8.1</title>
      <link>https://community.graphisoft.com/t5/Installation-update/installed-9-now-can-t-run-8-1/m-p/88953#M10490</link>
      <description>Katie: &lt;BR /&gt;
 &lt;BR /&gt;
I do not have a solution to your problem, but contrary to Ben's reply, I can run both ArchiCAD 8.1 and 9.0 simultaneously on the Mac. &lt;BR /&gt;
 &lt;BR /&gt;
HTH &lt;BR /&gt;
 &lt;BR /&gt;
David</description>
      <pubDate>Tue, 04 Jan 2005 13:52:49 GMT</pubDate>
      <guid>https://community.graphisoft.com/t5/Installation-update/installed-9-now-can-t-run-8-1/m-p/88953#M10490</guid>
      <dc:creator>David Maudlin</dc:creator>
      <dc:date>2005-01-04T13:52:49Z</dc:date>
    </item>
    <item>
      <title>Re: installed 9, now can't run 8.1</title>
      <link>https://community.graphisoft.com/t5/Installation-update/installed-9-now-can-t-run-8-1/m-p/88954#M10491</link>
      <description>I wasn't trying to run them both at the same time, but we figured it out...I had to throw away all the old  8 and 8.1 preferences and problem solved.  Should have thought of that first.&lt;BR /&gt;
Hopefully everything will work fine now &lt;IMG src="https://community.graphisoft.com/legacyfs/online/emojis/icon_smile.gif" style="display : inline;" /&gt; &lt;BR /&gt;
&lt;BR /&gt;
Thanks!&lt;BR /&gt;
Katie B.</description>
      <pubDate>Tue, 04 Jan 2005 14:53:58 GMT</pubDate>
      <guid>https://community.graphisoft.com/t5/Installation-update/installed-9-now-can-t-run-8-1/m-p/88954#M10491</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2005-01-04T14:53:58Z</dc:date>
    </item>
    <item>
      <title>Re: installed 9, now can't run 8.1</title>
      <link>https://community.graphisoft.com/t5/Installation-update/installed-9-now-can-t-run-8-1/m-p/88955#M10492</link>
      <description>&lt;BLOCKQUOTE&gt;David wrote:&lt;BR /&gt;but contrary to Ben's reply, I can run both ArchiCAD 8.1 and 9.0 simultaneously on the Mac.&lt;/BLOCKQUOTE&gt;
with only one key? or do you have a network license?&lt;BR /&gt;
&lt;BR /&gt;
~/archiben</description>
      <pubDate>Wed, 05 Jan 2005 05:39:01 GMT</pubDate>
      <guid>https://community.graphisoft.com/t5/Installation-update/installed-9-now-can-t-run-8-1/m-p/88955#M10492</guid>
      <dc:creator>__archiben</dc:creator>
      <dc:date>2005-01-05T05:39:01Z</dc:date>
    </item>
    <item>
      <title>Re: installed 9, now can't run 8.1</title>
      <link>https://community.graphisoft.com/t5/Installation-update/installed-9-now-can-t-run-8-1/m-p/88956#M10493</link>
      <description>I just tried and I too can run AC8.1 and AC 9 together on one key. It is an individual USB key.</description>
      <pubDate>Wed, 05 Jan 2005 14:15:05 GMT</pubDate>
      <guid>https://community.graphisoft.com/t5/Installation-update/installed-9-now-can-t-run-8-1/m-p/88956#M10493</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2005-01-05T14:15:05Z</dc:date>
    </item>
    <item>
      <title>Re: installed 9, now can't run 8.1</title>
      <link>https://community.graphisoft.com/t5/Installation-update/installed-9-now-can-t-run-8-1/m-p/88957#M10494</link>
      <description>&lt;B&gt;Ben wrote:&lt;/B&gt; 
&lt;BLOCKQUOTE&gt;&lt;B&gt;with only one key? or do you have a network license?&lt;/B&gt;&lt;/BLOCKQUOTE&gt;&lt;I&gt;&lt;/I&gt; &lt;BR /&gt;
 &lt;BR /&gt;
Ben: &lt;BR /&gt;
 &lt;BR /&gt;
I have only one key. I also have a PowerBook similar to yours that I used to verify this (FYI I am able to open ArchiCAD 9.0, 8.1 and 7.0 simultaneously on the one key). I am surprised that you cannot do this as I cannot remember a time when the ArchiCAD key wouldn't run multiple versions simultaneously (previously Graphisoft supplied updated older applications when the key needed to be exchanged). I wish I could give you some ideas, but I haven't done anything unusual to get both versions to run. When you have one version running, what happens when you launch the other version? I am also curious if other users are having your experience or mine. HTH. &lt;BR /&gt;
 &lt;BR /&gt;
David</description>
      <pubDate>Wed, 05 Jan 2005 14:22:16 GMT</pubDate>
      <guid>https://community.graphisoft.com/t5/Installation-update/installed-9-now-can-t-run-8-1/m-p/88957#M10494</guid>
      <dc:creator>David Maudlin</dc:creator>
      <dc:date>2005-01-05T14:22:16Z</dc:date>
    </item>
    <item>
      <title>Re: installed 9, now can't run 8.1</title>
      <link>https://community.graphisoft.com/t5/Installation-update/installed-9-now-can-t-run-8-1/m-p/88958#M10495</link>
      <description>No problem here running both AC8.1 and two AC09 sessions at the same time.</description>
      <pubDate>Wed, 05 Jan 2005 17:24:42 GMT</pubDate>
      <guid>https://community.graphisoft.com/t5/Installation-update/installed-9-now-can-t-run-8-1/m-p/88958#M10495</guid>
      <dc:creator>Eduardo Rolon</dc:creator>
      <dc:date>2005-01-05T17:24:42Z</dc:date>
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