You cannot activate the license of OfficeScan (OSCE) 10.6. Based on the following ofcdebug.log, the PR module uses proxy for onlineUpdateLicense while the proxy cannot be connected.
2014 12/12 14:57:52 [1160 : 1570] (00) (D) [CMDHO][ofcservice.exe] [doPRLicneUpdate]PR_onlineUpdateLicense result=e001005a - [cmdho_PR.cpp(2571)]
This issue is usually caused by an incorrect proxy setting. To resolve the issue, double-check and correct the proxy setting for the license to update successfully.