One of the components appears to be executing against a later, incompatible version of. Net in this context and as a consequence is failing at start up. Is there any way to install the. Net 2. Tuesday, March 22, PM. Wednesday, March 23, AM. If this was helpful for you, vote for it and propose it as an answer. If it is already there why is it using the wrong version? Tuesday, March 29, PM. Combine method overloads enable you to combine file paths.
IObservable Of T and System. IObserver Of T interfaces provide a generalized mechanism for push-based notifications. IntPtr and System. UIntPtr classes now include support for the addition and subtraction operators. You can now enable lazy initialization for any custom type by wrapping the type inside a System.
Lazy Of T class. SortedSet Of T class provides a self-balancing tree that maintains data in sorted order after insertions, deletions, and searches.
This class implements the new System. ISet Of T interface. The compression algorithms for the System. DeflateStream and System. GZipStream classes have improved so that data that is already compressed is no longer inflated. Also, the 4-gigabyte size restriction for compressing streams has been removed. The new Monitor. Enter Object, Boolean method overload takes a Boolean reference and atomically sets it to true only if the monitor is successfully entered.
You can use the Thread. Yield method to have the calling thread yield execution to another thread that is ready to run on the current processor. The new Microsoft. RegistryOptions enumeration lets you specify a volatile registry key that does not persist after the computer restarts.
Registry keys are no longer restricted to a maximum length of characters. Back to top Parallel Computing The. Back to top Networking Networking improvements include the following: Security improvements for Windows authentication in several classes, including System.
HttpWebRequest, System. HttpListener, System. SmtpClient, System. SslStream, and System. Extended protection is available for applications on Windows 7 and Windows Server R2. New networking performance counters that provide information about HttpWebRequest objects. For more information, see Networking Performance Counters. In the System. HttpWebRequest class, support for using large byte range headers bit ranges with new overloads for the AddRange method.
New properties on the System. SmtpClient and related classes. Improved support for mail headers in the System. MailMessage class. Support for a null cipher for use in encryption. You can specify the encryption policy by using the System. ServicePointManager class and the EncryptionPolicy property. Constructors for the System. SslStream class now take a System. EncryptionPolicy class as a parameter. Credentials for password-based authentication schemes such as basic, digest, NTLM, and Kerberos authentication in the System.
NetworkCredential class. To improved security, passwords may now be treated as System. SecureString instances rather than System. String instances. Ability to specify how a URI with percent-encoded values is converted and normalized in the System. Uri and System. HttpListener classes.
For more information, see the System. HttpListenerElement, System. SchemeSettingElement, System. SchemeSettingElementCollection, and System. UriSection classes. NET version 4 introduces new features in the following areas: Core services, including a new API that lets you extend caching, support for compression for session-state data, and a new application preload manager autostart feature. Web Forms, including more integrated support for ASP.
NET routing, enhanced support for Web standards, updated browser support, new features for data controls, and new features for view state management. Web Forms controls, including a new Chart control. NET Desktop Runtime. Download Microsoft Net Framework Version 2. Updates :. Net Framework Updates I used the cleanup utility to uninstall all versions of. NET Framework versions are currently installed: How to determine which versions of the.
See recommended downloads for the latest version of. SDK 5. NET 5. NET Runtime 5. NET Core Runtime 5. NET Desktop Runtime 5. NET Core Module v2 NET Core 5. Downloads for. Full version 5. Select the. NET 2. During installation, you may encounter error 0xf, 0xf, 0xff, or 0xF, in which case refer to. If you still can't resolve your installation issue or you don't have an Internet connection, you can try installing it using your Windows installation media.
For more information, see Deploy. If you're using Windows 7, Windows 8. If you're not relying on Windows Update as the source for installing the. Using sources from a different Windows operating system version will either install a mismatched version of.
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