2. Repair your Office program by performing the following steps (Note: this set of steps is for Windows 7 and Office 2010. Other operating systems and Office versions may have slightly different steps).
i) Click Start, then click Control Panel ii) Click Programs and Features iii) Click the Office 2010 program that you want to repair, then click Change iv) Click Repair, then click Continue v) Restart your computer after the repair is complete
3. After this is complete, please confirm their are no registry entries or files related to the EPM Add-In. If there are, please remove/delete them.
4. If you are using Office 365 (ClickToRun) 64-bit, please create the following registry entry on your machine:
If the EPM Add-In does not get loaded at the startup of Excel, please ensure that the following registry keys contain the entry below. And in the meanwhile, uncheck option "Require Application Add-ins to be signed by Trusted Publisher" under Excel Options->Trusted Center->Trusted Center Settings->Add-ins.