ActiveX Installer – AXINSTSV.DLL

Axinstsv.dll is the ActiveX Installer Service from Microsoft. It installs as part of your Windows operating system and it is used to install ActiveX controls. If you're having problems installing ActiveX controls under Windows Vista and error messages reference this file, you'll find a fix at http://support.microsoft.com/kb/975445. If you have a message referencing "Event 4400", you'll find a fix at http://support.microsoft.com/kb/951585.

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