Windows Error Code 80072f78 - How To Fix It Error Code 80072F78
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Troubleshooting Windows errors can seem like an impossible prospect. However finding the solution to Windows Error Code 80072f78 is easier than you think. Check out our how-to guide for resolving this common problem.


Every time you try to install updates for Windows Vista you receive this error message.

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The error is caused by applications and programs on your PC which interfere with your Internet connectivity. First you should try verifying your Internet connectivity by opening your browser window. If you can access the home page your Internet connection is functioning properly.

Sometimes the problem is related to the Windows Update server so if you cannot download updates, try waiting a few minutes before you attempt to access the Windows Update website again.

If you do not have success and are still receiving the error, it may be due to a corrupt Winsock file. The Winsock file is a necessary file which handles input and output requests for Internet applications. To reset the Winsock file click on Start on the main toolbar and point to All Programs and then click on Accessories. Choose Command Promptand then click on Run as Administrator. When the command prompt appears enter netsh winsock reset and then close the command prompt and reboot your PC. Try to access Windows Update again.

You can also try to access Windows Update by disabling your antivirus software. Keep in mind that if you do this you must remember to enable it immediately after you install updates or your PC will be at risk. Click on Start on the main toolbar and then choose Run from the menu. If you are running Windows Vista or Windows 7 you will use the Start Search box. In the command prompt enter wscui.cpl and then press the Enter key. When the Windows Security window opens you should choose Malware protection if you are running Windows Vista and Virus Protection if you are running Windows XP. If the program is running take note of the name of the application. Click on Start on the main toolbar and then choose All Programs and find the antivirus application and disable it temporarily. Try to access Windows Update and then remember to enable your antivirus program when you are finished.

It is important to note that these instructions will vary according to the type of third party antivirus program you use and you may have to refer to the help section for the antivirus program you are using.

TipFor more information, please see: How to fix Update error #80072f78

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