Learn about Windows® update error code 66A
What is Windows error code 66A? Learn about its causes and symptoms in Windows Vista
Windows error code 66A might occur because of some issues in the updates. This error occurs while updating security for .NET framework on Windows Vista, XP, 2003, 7 etc. While trying to update, if the error occurs, it will show the status as "installation status: failed". If this error code occurs, you cannot find .NET 1.1 on your computer. Because of this error, you cannot update the Windows Vista Operating System. Almost all users might have faced this problem during Windows update and service pack. So you can try installing it manually. After completing the download from any authorized website, you have to close all the open browsers and programs. Then install NDP1.1sp1-KB867460-X86.exe and restart your system. This will remove the error codes from your system.
Points below will give you more information about the error code 66A in Windows vista:
- Causes and Symptoms of the error code
- Use repair tools to fix the error
- Restoring the system
Causes and Symptoms of the error code
When you try to install an update for Microsoft .NET Framework 1.0, Microsoft .NET Framework 1.1, Microsoft .NET Framework 2.0, Microsoft .NET Framework 3.0, Microsoft .NET Framework 3.5, you might get this error message. The Windows error code 66A will occur on Windows Vista if the updates are not installed properly. This error codes will occur due to the corruption of .NET framework. This error also occurs if there is any inconsistency on the MSI database state. So you have to solve this error by using a repair tool.
Use repair tools to fix the error
Windows error code 66A may occur due to corrupted file, malicious software, registry errors etc. So you have to repair the system to get rid of all these problems. You may use repairing tools to fix such issues in your computer. This will remove errors from your computer and provides 100% protection. You can easily download this diagnosis and repair tool from the internet. Once it is installed wait for some time for auto PC analysis. After that, click on ‘start repair’. This will remove all the errors from the system.
To troubleshoot the error code, you may try to restore your computer to an earlier date. Before proceeding with the restore, create a restore point. For that click on the ‘Start’ button and open the ‘Control panel’. Then click on ‘System maintenance’ and select ‘System’. Click on the ‘System protection’ from the right pane. Type the administrator password if prompted. Then click on ‘System protection’ tab and then on ‘Create’. Type a description in the ‘System protection’ dialogue box and then click ‘Create'. This will create the system restore point. Only if you have created a restore point earlier, you will be able to restore your computer. Then to restore the system restart the computer in safe mode. Then choose ‘system recovery’ option and it will restore the system.
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