Haresh2015 3 Posted November 25, 2016 Share Posted November 25, 2016 Dear Sir, Problem: Update authorization failed. Please check if your license is valid." error while updating EFS V.6.4 ESET File Security already activated & also try to reactivate EFS, but same issue. so how to resolve this issue? Regards, Haresh Link to comment Share on other sites More sharing options...
ESET Staff filips 44 Posted November 30, 2016 ESET Staff Share Posted November 30, 2016 We've received more support cases regarding activation recently. These problems were fixed a few days ago, are you still experiencing the problem with activation/update? Link to comment Share on other sites More sharing options...
vanroy 0 Posted December 23, 2016 Share Posted December 23, 2016 Hey any idea for Failed to authorize update with ECP.4100 ESET file security is active and later the agent installation is automatically disabled? Best Link to comment Share on other sites More sharing options...
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