Installation Failure: Windows failed to install the following update with error 0x8007f0f4: Security Update for Windows XP
First update Remote Desktop Client (RDC) Version 6.0 or 6.1 to Version 7.0 by downloading it from the following websites: http://www.microsoft.com/downloads/en/details.aspx?FamilyId=72158b4e-b527-45e4-af24-d02938a95683&displaylang=en Then, Run Windows update again and update KB2481109 will be successful as Recommendation of all.