Annoyances.org - Remove the Microsoft .NET Framework Assistant (ClickOnce) Firefox Extension
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Remove the Microsoft .NET Framework Assistant (ClickOnce) Firefox Extension

The Microsoft .NET Framework 3.5 Service Pack 1 update, pushed through the Windows Update service to all recent editions of Windows in February 2009, installs the Microsoft .NET Framework Assistant firefox extension without asking your permission.

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Microsoft .NET Framework 3.5 Service Pack 1 installs a massive security vulnerability in Firefox, without asking for permission. How to remove it