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I‘m getting an error code from my Microsoft security software

If your Microsoft security software runs into trouble it will usually give you an error code to help you find out what went wrong.

Most often an error means there was a problem installing an update.

Microsoft Security Essentials error codes

The table below has some common error codes from Microsoft Security Essentials. You can also try searching the Microsoft Community Forums for help.

Error codePossible reason for errorWhat to do now
0x80070002There may be a problem checking for updatesRead Windows Update error 80070002 for more details
0x80070005You may not have the correct privileges to continue with this action - you may need to log on as an administratorRead Installation error 0x80070005 for more details
0x80070643This is a generic error code - there be an undiagnosed problem with your security softwareTry uninstalling any other security software. Also see Installation Error 0x80070643
0x8004FF06You may have a newer version of the software installedYou need to uninstall all versions of the software. The following articles can help you uninstall a program:You should then re-install your program

Other Microsoft security software error codes

The table below has some common error codes that you may get when using other Microsoft security software. You can also try searching the Microsoft Community Forums for help.

Error codePossible reason for errorWhat to do now
0x80070424There may be a problem installing updatesRead Error 0x80070424 for more details
0x800700dfThe file you are trying to download may exceed the allowed limit and cannot be saved - you may need to increase your file-download limitRead 0x800700df: folder copy error for more details
0x800705b4There may be a problem with your antivirus updateRead Windows Update error 800705b4 for more details
0x4ff02Malware may have modified your antivirus or antimalware software - you may need to uninstall and reinstall your security softwareThe following articles have more information about uninstalling a program:Then re-install your program
0x80080005Your computer may not be responding properlyRead Stop error code 0x80080005 for more details
0x80070070You may not have enough disk space on your computer to install updatesRead Windows Update error 80070070 for more details
0x8007042CThere may be a problem with your Windows FirewallRead 0x8007042c error message for detailed troubleshooting instructions
0x80240016There may be another installation in progress - you should wait for this install to completeRead Windows Update error 0x80240016 for more details
0x8024400aThere may be a connection problem between your computer and the Windows serversRead Windows Update error 8024400a, 8024400d, or 8024400e for more details

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