Repairing or reinstalling Microsoft .NET Framework

What is .NET Framework? The Microsoft .NET Framework is a Microsoft component used by programs such as QuickBooks to integrate with Web applications. netframework .net .net framework, defined why .net error, reinstall fix, . For more information, see Microsoft's .NET Framework Overview.

Important: These troubleshooting steps are for the Windows operating system, which is not an Intuit product. netframework .net .net framework, defined why .net error, reinstall fix, . The steps can become complex if errors occur while repairing or uninstalling .NET Framework. netframework .net .net framework, defined why .net error, reinstall fix, . If you are not comfortable doing these steps on your own, Intuit recommends you consult with your computer's manufacturer or other computer professional.

To install, repair, or reinstall Microsoft .NET Framework, select the option for your version of QuickBooks and Microsoft Windows:

QuickBooks 2010 or Enterprise Solutions 10.0
QuickBooks 2008 and 2009 or Enterprise Solutions 8.0 and 9.0 installed on Windows XP
QuickBooks 2008 and 2009 or Enterprise Solutions 8.0 and 9.0 installed on Windows Vista
QuickBooks 2007 and earlier or Enterprise Solutions 7.0 and earlier

QuickBooks 2010 or Enterprise Solutions 10.0

1. Close all open applications.
2. See if .NET Framework is already installed:
   • Windows Vista or Windows 7
     1. Click the Windows Logo button.
     2. Enter control in the Start Search field, and then press Enter. netframework .net .net framework, defined why .net error, reinstall fix, . The Control Panel window opens.
     3. Double-click Programs and Features.
        • If Microsoft .NET Framework 3.5 appears in the list, proceed to Step 3 to repair it.
        • If Microsoft .NET Framework is not in the list, proceed to Step 5 to install it.
   • Windows XP
     1. Click the Windows Start button and choose Control Panel (or Settings > Control Panel).
     2. Double-click Add or Remove Programs.
        • If Microsoft .NET Framework 3.5 appears in the list, proceed to Step 3 to repair it.
        • If Microsoft .NET Framework is not in the list, proceed to Step 5 to install it.
3. Repair .NET Framework:
   1. In the Add or Remove Programs or the Programs and Features window, select Microsoft .NET Framework 3.5 and click:
      • Windows Vista or Windows 7: Uninstall/Change
      • Windows XP: Change/Remove
   2. Select Repair and click Next.
   3. Follow instructions to repair the application.
      • If repair completes successfully, open QuickBooks.
        • If QuickBooks works correctly, stop here. netframework .net .net framework, defined why .net error, reinstall fix, . You're done!
        • If the error still occurs, proceed with Step 4 to uninstall .NET Framework.
      • If an error occurs during repair, proceed with Step 4 to uninstall .NET Framework.
4. Uninstall .NET Framework
   1. Refer to Step 2 to open the list of installed programs.
   2. Refer to Step 3.a to open the .NET Framework installer program.
   3. Select Uninstall and click Next.
   4. Follow instructions to uninstall the application, and then proceed with Step 5 to reinstall it.
      

      Note: If an error occurs while uninstalling .NET, download and run the .NET Framework cleanup tool in Aaron Stebner's WebLog on the Microsoft Developer Network.

5. Install .NET Framework
   • From a QuickBooks CD:
     1. Insert the QuickBooks CD and close the QuickBooks installation window if it opens.
     2. Right-click the Windows Logo button (in Vista) or Start button (in XP) and choose Explore.
     3. Browse to D:\ThirdParty\DotNET35, where D: is your CD drive letter.
     4. Double-click dotnetfx35setup.exe, and follow instructions to install the software.
   • From Microsoft's web site:
     1. Open the Microsoft download web page for your version of Windows:
        • Windows XP 32-bit
        • Windows XP 64-bit
        • Windows Vista 32-bit
        • Windows Vista 64-bit

If you're not sure which version to download, refer to "How to determine whether your computer is running a 32-bit version or a 64-bit version of the Windows operating system."

2. Read the information and follow instructions to download and install the program.

6. Open QuickBooks and resume working.

QuickBooks 2008 and 2009 or Enterprise Solutions 8.0 and 9.0 installed on Windows XP

1. Close all open applications.
2. Click the Windows Start button and choose Control Panel (or Settings > Control Panel).
3. Double-click Add or Remove Programs.
4. Search the list of currently installed programs for Microsoft .NET Framework 2.0:
   • If the program appears in the list, repair it:
     1. Select Microsoft .NET Framework 2.0, and then click Change/Remove.
     2. Select Repair, and then click Next.
     3. When prompted, restart your computer.
   • If the program does not appear in the list, install it:
     1. Insert the QuickBooks CD in your CD drive. netframework .net .net framework, defined why .net error, reinstall fix, . If the QuickBooks installation window opens, close it.
     2. Right-click the Windows Start button and select Explore.
     3. Browse to D:\ThirdParty\DotNET20, where D: is your CD drive letter.
     4. Double-click dotnetfx20.exe, and follow the prompts to install the software.

Note: If your QuickBooks CD is not available, you can download and install Microsoft .NET Framework Version 2.0 from the Microsoft Web site.

QuickBooks 2008 and 2009 or Enterprise Solutions 8.0 and 9.0 installed on Windows Vista

Microsoft .NET Framework 2.0 used by these versions of QuickBooks is integrated with the Windows Vista operating system and cannot be repaired or installed independently.

Run the System File Checker (sfc) tool using the /scannow option. netframework .net .net framework, defined why .net error, reinstall fix, . Running sfc will attempt to repair all Windows Vista operating system files, including Microsoft .NET Framework 2.0. netframework .net .net framework, defined why .net error, reinstall fix, . For more information about using sfc, refer to the System File Checker section of the Microsoft knowledge base article "How to repair the operating system and how to restore the operating system configuration to an earlier point in time in Windows Vista."

QuickBooks 2007 or Enterprise Solutions 7.0 and earlier versions 

1. Open the list of currently installed programs:
   • Windows Vista:
     1. Click the Windows Logo button.
     2. Enter control in the Start Search field, and then press Enter. netframework .net .net framework, defined why .net error, reinstall fix, . The Control Panel window opens.
     3. Double-click Programs and Features.
   • Windows XP:
     1. Click the Windows Start button and choose Control Panel (or Settings > Control Panel).
     2. Double-click Add or Remove Programs.
2. Search the list of currently installed programs for Microsoft .NET Framework 1.1:
   • If the program appears in the list, repair it:
     1. Insert the QuickBooks CD in your CD drive. netframework .net .net framework, defined why .net error, reinstall fix, . If the QuickBooks installation window opens, close it.
     2. Click the Windows Start button and select Run.
     3. Enter (or copy and paste) the following command in the Open field. netframework .net .net framework, defined why .net error, reinstall fix, . (D: is your CD drive letter):
        D:\ThirdParty\DotNET11\dotnetfx.exe" /Q /t:%temp% /c:"msiexec.exe /qb /fvaum %temp%\netfx.msi
     4. Click OK. netframework .net .net framework, defined why .net error, reinstall fix, . If an error message occurs, verify that you entered the command exactly as it appears above.
     5. Restart your computer when prompted.
   • If the program does not appear on the list, install it:
     1. Insert the QuickBooks CD in your CD drive. netframework .net .net framework, defined why .net error, reinstall fix, . If the QuickBooks installation window opens, close it.
     2. Right-click the Windows Start button and select Explore.
     3. Browse to D:\ThirdParty\DotNET11, where D: is your CD drive letter.
     4. Double-click dotnetfx.exe, and follow the prompts to install the software.

Note: If your QuickBooks CD is not available, you can download and install Microsoft .NET Framework Version 1.1 from the Microsoft Web site.

If this solution does not resolve the issue, you can read discussions and post messages and questions relating to your issue on the Intuit QuickBooks Community site for free or you can contact a technical support agent for additional guidance. netframework .net .net framework, defined why .net error, reinstall fix, . Fees may apply.