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0x80072f8f Windows Update Error

Usually, this error occurs when the date/time on your computer is too different from the date/time of the SSL (Secure Sockets Layer) certificates used by the Windows Update site. Let’s have a look how can this be solved.

Re-register these important files and check IE settings

1.  Click Start.
2.  Click Run (type in the search box if it doesn’t show up automatically).
3.  Type: regsvr32 Mssip32.dll in the Run box.
4.  Click OK.
5.  Repeat this time typing: regsvr32 Initpki.dll

…after the above steps

6. Open Internet Explorer

7. Select the Tools menu and then select Internet Options
8. Choose the Advance tab
9. Unselect ‘check for server certificate revocation’ reboot PC and test again.

If the steps above didn’t help, try the next one.


Register the “.dll’s”

Register the Softpub.dll, Wintrust.dll, Initpki.dll, and Mssip32.dll files. To do this, follow these steps, as required for the operating system that you are using. Windows 2000, Windows XP, and Windows Server 2003

  1. Click Start, and then click Run.
  2. In the Open box, type the following file names. Click OK after each file name:
  • regsvr32 Softpub.dll /s
  • regsvr32 Wintrust.dll /s
  • regsvr32 Initpki.dll /s
  • regsvr32 Mssip32.dll /s


Windows Vista and Windows Server 2008

  1. Click Start
  2. Type regsvr32 Softpub.dll /s in the Start Search box, and then click OK. If you are prompted for an administrator password or for a confirmation, type the password, or click Continue.

Repeat step 2 for the following file names:

  • regsvr32 Wintrust.dll /s
  • regsvr32 Initpki.dll /s
  • regsvr32 Mssip32.dll /s

If the above steps didn’t help, maybe you should check your date and time settings. Read the steps on how to rectify your date and time settings below.

Check you have the correct time and date and time zone

1. In the bottom right hand corner, double click the clock.
2. Make sure you have the correct time and date.
3. Click the Time Zone Tab.
4. Check you have the correct time zone.


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