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Microsoft Security Essentials Installation Error Code : 0x8004FF81
November 22, 2013
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Microsoft Security Essentials Installation Error Code-0x8004FF81Microsoft Security Essentials Installation Error Code: 0x8004FF81

When installing Microsoft Security Essentials Software, repeated error occur Error Code0x8004FF81, 0x8004ff88

 

Microsoft Security Essentials Installation Error Code-0x8004FF81


Microsoft Security Essentials Installation Error Code: 0x8004FF81

 

Microsoft Security Essentials Troubleshoot Steps:

  1. Have you reviewed and tried the steps listed here? http://windows.microsoft.com/en-US/windows/i-cant-install-microsoft-security-essentials
  2. Are Windows Updates working fine?
    http://support.microsoft.com/default.aspx/kb/971058?p=1 – if necessary, run the FixIt to reset the Windows update components.
  3.  Any other security software still installed? A possible reason for Microsoft Security Essentials Installation Error Code : 0x8004FF81 problem is that you have conflicting security software installed fully or partially on the PC. Did you have a trial version of McAfee, Norton, Trend Micro pre-installed when the laptop was purchased? Remove all those security software from the PC.
  4. You may need to use a cleanup tool to remove your prior security software:
    Microsoft Security Essentials & common antivirus removal tool
    http://social.answers.microsoft.com/Forums/en-US/msestart/thread/407bf6da-c05d-4546-8788-0aa4c25a1f91

 

References:

http://answers.microsoft.com/en-us/protect/forum/mse-protect_start/laptop-wont-complete-installation-of-microsoft/8a8e7af1-f38f-4a8d-8056-1869fba34e03

http://answers.microsoft.com/en-us/protect/forum/mse-protect_updating/cannot-install-microsoft-security-essentials-error/44abdfb1-207a-4183-9817-2da9fd24c894

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