. NET Framework is a one of the best software development platforms that enables countless developers from all around the world to take not only full advantage from professionally made libraries, interoperability across several programing languages, and app execution inside software virtual machine, but also perfect companion for the integrated development environment platform of Microsoft Visual Studio and the decades of experience, documentation, streamlined services, libraries and more that were made during creation of countless Windows applications with Microsoft’s tools. Using. NET, developers can take advantages of interoperability, Common Language Runtime engine, language independence, base class library, simplified deployment, security and portability. NET Framework Version 3.5 SP1 was introduced to the public in November of 2007, almost exactly one year after Microsoft released version 3.0 that first introduced Windows Presentation Foundation ( Direct3 D powered new users interface system and API Windows Communication Foundation (integrated messaging system for application services Windows Workflow Foundation (task automation and integrated transaction management and Windows Card Space (software component for safely storing and managing person’s digital identities and transaction data). Version 3.5 improved upon all those services, adding additional support for operating systems, new services, and better compatibility with Windows Mobile and Windows Embedded CE devices. Service pack 1 arrived on August 2008, bringing performance improvements, new data services, assemblies for web development, and full compatibility with Windows 7. Some of the new features added to the. NET Framework 3 are: Windows Communication Foundation ( WCF) Workflow Foundation ( WF) Data awareness Windows Presentation Foundation ( WPF) AJAX support RSS and ATOM support New graphic.
— Update: – The comments posted below from selfman are so good that they need to be incorporated into the main body of this article on fixing. NET Framework issues. For his full description see his comment below. NET Framework Setup Verification Tool. NET Framework Cleanup Tool— There are times when. NET Framework can get corrupted on a computer. A corrupt. NET 3.5 can prevent PDQ Inventory from successfully scanning / managing the computer. To repair. NET Framework 3.5 refer to the instructions below. It is suggested that you log into the problem computer to repair. This way you can get some good feedback on whether the repair worked. Windows 7 / Windows Server 2008 R2. NET Framework 3.5 SP1 is included in these two OSes and cannot be installed, repaired or uninstalled via the. NET Framework setup file. They need to be enabled or disabled as Windows Features. In Windows R2 disabling. NET 3.5 SP1 is the same thing as Uninstalling or removing. Note: A reboot may be required after disabling/removing. NET 3.5 SP1. To Repair From The Command Line Open cmd.exe in an Elevated session (needed if UAC is implemented). The next step is to disable the. NET 3 Windows Feature. Run the following command at your command line: DISM /online /disable-feature / Feature Name: Net Fx3 (note that when using DISM all Feature Names are Case Sensitive. Using “netfx3” will result in a failure) After you successfully disable the Net Fx3 feature you can now re-enable it. Re-enabling is the same thing as Installing. DISM /online /enable-feature / Feature Name: Net Fx3 The screenshot below shows the results of both commands run in sequence. To Repair Manually from GUI Go to Control Panel > Programs and Features > Turn Windows features on or off Clear the check box for Microsoft. NET Framework. Say OK. After Windows disables the feature you will need to go back re-enable.
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