If you encounter any issues during installation, refer to the Microsoft Support website for troubleshooting guides and solutions.
| Algorithm | Value | | :--- | :--- | | | d02dc8b69a702a47c083278938c4d2f1 | | SHA-1 | b2ff712ca0947040ca0b8e9bd7436a3c3524bb5d | | CRC32 | c820bd1d | | File Size (Bytes) | 50,352,408 (~48.02 MB) |
Occasionally, installation may fail due to system conflicts or corrupted components. Below are some common issues and how to resolve them.
: Microsoft strongly recommends upgrading to a supported version, such as .NET Framework 4.8.1 , which is a highly compatible, in-place update. Download Information download dotnetfx45-full-x86-x64.exe offline installer
The "Full" offline installer contains all the necessary components to install the .NET Framework 4.5 on both 32-bit (x86) and 64-bit (x64) systems. Unlike the web installer—which downloads files during the installation process—the offline version is a self-contained package. Why Use the Offline Installer?
Ideally, you should always source these files from the official Microsoft Download Center or a trusted archived source. However, Microsoft has officially ended support for .NET 4.5 (as it is considered an "end-of-life" product) and often redirects users to 4.8.
Read the Microsoft Software License Terms, check the box for "I have read and accept the license terms," and click Install . If you encounter any issues during installation, refer
Once downloaded, it is a good practice to verify the file's integrity. While Microsoft doesn't provide a simple checksum for this older file, you can verify that:
Right-click the executable and select "Run as Administrator" to ensure the installer has the necessary permissions to modify system files.
This error often indicates that the necessary source files cannot be located, typically due to a corrupted system image or misconfigured Windows Update settings. : Microsoft strongly recommends upgrading to a supported
If you are using Windows 10 or Windows 11 , you do not need to download this installer. These operating systems come with .NET Framework 4.x already integrated or handle the installation automatically via Windows Update. Attempting to install this specific version on Windows 10/11 will likely result in an error message stating that the update is already installed or not applicable.
This error typically means you are trying to install .NET 4.5 on an unsupported operating system. If you are on Windows 10 or 11, the installation will block because a newer version of the .NET 4.x family is already natively integrated. Your 4.5 applications should run automatically without this installer. 2. Error Code 0x800c0006