Article ID: 930369 - View products that this article applies to.
When you try to upgrade a computer from Microsoft Windows XP to Windows Vista, you receive the following error message in the compatibility report, and you cannot upgrade Windows:
You must first uninstall Sonic DLA
Note This problem occurs even though you do not have Sonic DLA installed. This problem also occurs even though Sonic DLA does not appear when you double-click the Add or Remove Programs item in Control Panel.
This problem occurs because IBM DLA is installed.
Note Sonic DLA has been renamed "IBM DLA." IBM DLA is incompatible with Windows Vista.
To resolve this problem in Windows XP, uninstall IBM DLA. To do this, follow these steps:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.
Article ID: 930369 - Last Review: March 15, 2007 - Revision: 1.4
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