To manually delete Visual Studio 2008

Go to control panel and start Add/delete programs"
Delete all instances of Visual Studio 2008/codenamed orcas
Delete any remaining Supported Products in the specified order.
Delete "msdn library for Visual Studio 2008"
Delete Microsoft SQL Server compact edition 3.5"
Delete Microsoft SQL Server compact edition 3.5 design tools"
Delete Microsoft SQL Server compact edition 3.5 for devices"
Delete Microsoft Visual Studio performance collection tools"
Delete Windows Mobile 5.0 SDK R2 for Pocket PC"
Delete Windows Mobile 5.0 SDK R2 for smartphone"
Delete "Crystal Reports 2007"
Delete "Visual Studio asset system"
Delete Microsoft Visual Studio Web authoring component/Microsoft Web designer tools"
Delete Microsoft Visual Studio 2005 tools for the 2007 Microsoft Office System Runtime"
Delete Microsoft Visual Studio 2005 tools for the 2007 Microsoft Office System runtime Language Pack (non-English version only)
Delete Microsoft Visual Studio Tools for office runtime 3.0"
Delete Microsoft document Explorer"
Delete Microsoft document Explorer 2005 Language Pack (not English only)
Delete Microsoft device emulator 3.0"
Delete Microsoft. NET Compact Framework 3.5"
Delete Microsoft. NET Compact Framework 2.0 SP1"
Delete ". NET Framework 2.0 SDK"
Delete the Microsoft Visual Studio code orcas remote debugger"
Delete Microsoft Visual Studio 64-bit prerequisite test (64-bit platform only)
Delete Microsoft. NET Framework 3.5"

Similarly, use 360 to uninstall the above!

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To manually delete Visual Studio 2008