Microsoft .NET Framework

# Installation Repair

You may need to repair your installation of the .NET Framework after upgrading your operating system or if the system becomes corrupted.

To repair the .NET Framework
Obtain the original installation source. For example, if you installed the .NET Framework from CD or DVD, insert the disk. Or, if you downloaded the .NET Framework, download again and choose to save to disk. If you installed from a network share, reconnect. On the Start menu, choose Run. For Windows 98 and Windows Me type: command For Windows NT, Windows 2000, Windows XP or later, type: cmd In the command window, type the following: n:\<Installation Source>\dotnetfx.exe /t:%temp% /c:"msiexec.exe /fvecms %temp%\netfx.msi" For example: d:\dotNetFramework\dotnetfx.exe /t:%temp% /c:"msiexec.exe /fvecms %temp%\netfx.msi"

To repair a .NET Framework Language Pack
Obtain the original installation source. For example, if you installed the .NET Framework Language Pack from CD or DVD, insert the disk. Or, if you downloaded the .NET Framework Language Pack, download again and choose to save to disk. If you installed from a network share, reconnect. On the Start menu, choose Run. For Windows 98 and Windows Me type: command For Windows NT, Windows 2000, Windows XP or later, type: cmd In the command window, type the following: n:\<Installation Source>\langpack.exe /t:%temp% /c:"msiexec.exe /fvecms %temp%\langpack.msi" For example: d:\dotNetFramework\langpack.exe /t:%temp% /c:"msiexec.exe /fvecms %temp%\langpack.msi"