Download and reinstall the versions of.You will need to download and reinstall these same versions from Microsoft. NET versions 4.0, 3.5, 2.0, and 1.1 installed, first remove 4.0 then 3.5, then 2.0, and finally 1.1. Note: Be sure to remove the latest version first. For more information on using Programs and Features, refer to the article from Microsoft regarding how to Uninstall or change a program Uninstall or change a program linked below in Additional information. NET Framework from Windows using Programs and Features in the Windows Control Panel. Remove all existing versions of the Microsoft.End of extended support for Vista was April 11, 2017. These instructions are provided as a convenience for those still running on these obsolete versions of Windows. Section III: Obsolete versions of Windows: Vista Should any of the above steps fail to resolve the problem, create a new Windows User Profile and repeat the removal and reinstallation steps under the new Windows Profile.NET Framework can be located on the Microsoft Download Center. After running the tool, restart the machine. Download and run the latest version of Aaron Stebner's.For more information on using Programs and Features, refer to the article from Microsoft regarding how to Uninstall or change a program linked below in Additional information. For instructions on using System File Checker, please refer to Microsoft KB Article ID 929833 If any issues are discovered, those must be addressed before continuing. Run the Windows System File Checker tool.If it failed, contact local IT personnel for additional help. It can take a while based on internet speed, and will end with a message that update was either successful or failed. At this point, Windows will download an update to the.Browse back out to Programs and Features.Close Programs and Features window and restart the machine.On the left side, click on Turn Windows features on or off.Browse out to Programs and Features in Control Panel.NET framework cannot be fully uninstalled from Windows 8 and above, but there is a procedure to force an update.

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