You’ll be asked to retype your product key and then restart again.
Now restart the computer and open any Office program. Note that in order to see the ProgramData folder, you need to open Explorer and click on the Organize button and click on Folder and Search options.Ĭlick on the View tab and then make sure to click the Show hidden files and folders radio button.ģ. Now go to C:\ProgramData\Microsoft\OfficeSoftwareProtectionPlatform\Cache and rename cache.dat to cache.old.Ĥ. Now go to C:\ProgramData\Microsoft\OfficeSoftwareProtectionPlatform and rename tokens.dat to tokens.old. Type in services.msc in the search box and stop the service called Office Software Protection Platform.Ģ. You can fix it by following these steps (doesn’t require you to uninstall or reinstall office):ġ. If you are running Office 2010, then Office 2010 SP1 added a new service called Office Software Protection Platform, which will sometime require you to reactivate Office. Method 3 – Office Software Protection Platform Try to restore the computer to a time when you knew Office was working without any issues. You can also read more about how to use it here: You can get to system restore by click on Start and typing in system restore. If Office was working fine and all of a sudden started having this problem, you can always try a system restore. If not, keep reading! Method 2- System Restore It should stay activated even after restarting. At this point, if it activated successfully, you can change the time back to the current date and time. Now go ahead and find your product key for Office, which is usually on the packaging and type it into the box.Īfter you are done, you can launch any program in Office and do the activation.
Now, check the radio button next to “ Enter Product Key” and click on Next.
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