NET Framework 4' installed in your system. Overall I think the new SP1 for VS2010 is worth installing, unless you have 'Windows SDK for Windows 7 and. Changelist mentions fixing lots of IDE crashes, including incompatibility with AMD CodeAnalyst.

Microsoft also claims to optimize and fix C++ compiler. What's interesting for a C++ programmer is the addition of intrinsics to enable the extensions on the AMD and Intel new microprocessors that will be released next year - Intel AVX and AMD Bulldozer. There are lots of fixes and improvements, but most of them apply to managed or web technologies like Silverlight. Here is the list of changes and here is download link (you can find link to ISO file with offline installer at the bottom of that page). It applies to all Visual Studio 2010 versions and components, including C++ Express, C# Express etc. It is big (1.48 GB) and the installation takes quite long.

Yesterday Microsoft publicly released Visual Studio 2010 Service Pack 1. I keep it for reference, but it probably doesn't reflect my current knowledge and beliefs. Warning! Some information on this page is older than 6 years now.

Visual studio 2010 service pack 1