Problem: Office 2013 Activation pop up with error 0x80070005. Solution: If you are using office 2013 and it worked fine till today but now you are getting activation error message while using office applications with error code 0x80070005. Here is the solution. a. Open Run windows(Windows key+R) b. Browse C:\Program Files(86)\Microsoft Office 15\root\office15 c. Right click on winword.exe file. d. Run this file as administrator. e. Activate the Application as go with the process. f. Close the application and reopen it. Hope this will work for you