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	<id>https://wiki.ross-tech.com/wiki/index.php?action=history&amp;feed=atom&amp;title=VAG-COM-FAQ-5.3</id>
	<title>VAG-COM-FAQ-5.3 - Revision history</title>
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	<updated>2026-05-21T00:23:33Z</updated>
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	<entry>
		<id>https://wiki.ross-tech.com/wiki/index.php?title=VAG-COM-FAQ-5.3&amp;diff=1553&amp;oldid=prev</id>
		<title>Andy at 22:27, 26 January 2006</title>
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		<updated>2006-01-26T22:27:18Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Important Note: This page is only relevant if you&amp;#039;re using an older or 3rd-party &amp;quot;dumb&amp;quot; interface.  All our current interfaces have the activation for VAG-COM stored in the interface itself.&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&amp;lt;br&amp;gt; &lt;br /&gt;
&amp;lt;br&amp;gt;&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;5.3  Why has VAG-COM become De-Activated on its own?&amp;#039;&amp;#039;&amp;#039;&lt;br /&gt;
&amp;lt;br&amp;gt;&lt;br /&gt;
There are a few conditions that can cause previously-registered installations of VAG-COM to become De-Activated:&lt;br /&gt;
*Performing major systems maintenance like upgrading your operating system, swapping hardware or reformatting your hard drive will &amp;quot;kill&amp;quot; an activation.   If you&amp;#039;re going to do maintenance of this type, manually de-activate first -- see the previous question.&lt;br /&gt;
* A problem with your system clock such as a dead CMOS battery, or manually setting the system clock backwards in an attempt to defeat the time limit on other shareware products.  VAG-COM&amp;#039;s Serial Number may change if it perceives that is has gone &amp;quot;back in time&amp;quot;.    A PC without a properly functioning system clock is considered defective. &lt;br /&gt;
*The use of some &amp;quot;System Cleaning&amp;quot; utilities that root around in the Windows Registry can kill the activation. &lt;br /&gt;
*If you&amp;#039;re an existing registered user with a &amp;quot;dumb&amp;quot; interface, and you&amp;#039;re upgrading an older version to 311 or 409, the new version will remain shareware until you request a new activation code.  Existing registered users with dumb interfaces must complete [http://www.ross-tech.com/vca/short-form.html this short form] to request a new activation code.  Requests submitted via e-mail or forms with incomplete information will be rejected and will delay your activation. Our [http://www.ross-tech.com/vag-com/interfaces.html#Chart Current Interfaces] are not affected by this. &lt;br /&gt;
&amp;lt;br&amp;gt;&lt;br /&gt;
If your previously activated copy of VAG-COM becomes de-activated for some reason, don&amp;#039;t panic.  First establish that your Serial Number is stable (make note of the last 4 digits of the Serial Number, and close and restart VAG-COM and restart Windows a few times to ensure that the Serial Number remains constant). Then fill out the appropriate [http://www.ross-tech.com/vca Registration Form] to receive a new Activation Code.&lt;br /&gt;
&amp;lt;br&amp;gt;&lt;br /&gt;
Note:  Your old activation code won&amp;#039;t work!&lt;/div&gt;</summary>
		<author><name>Andy</name></author>
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