Cannot verify the product license in Microsoft Office?

Q:  Cannot verify the product license.

A : Method 1
Activate the Office 2010 product online by doing the following:
Go to C:\Program Files (x86)\Microsoft Office\Office14.
If you have the 64-bit version of Office, the path is C:\Program Files\Microsoft Office\Office14
Make sure you are connected to the Internet and run the following command to activate the product online:
cscript ospp.vbs /act
Confirm the reg key value for the following?
HKEY_LOCAL_MACHINE\SYSTEM\CURRENTCONTROLSET\CONTROL\CLASS\{4D36E967-E325-11CE-BFC1-08002BE10318}
Key = UpperFilters
Value = PartMgr
If the above does not match please try to change it via the command prompt.
reg add HKEY_LOCAL_MACHINE\SYSTEM\CURRENTCONTROLSET\CONTROL\CLASS\{4D36E967-E325-11CE-BFC1-08002BE10318} /v UPPERFILTERS /t REG_MULTI_SZ /d PartMgr /f
and try activate again.

Method 2:
Search for ospp.vbs file on your PC
Open the command prompt & type the following.
cscript "Path of the ospp.vbs in double quotes" -dstatus
Enter the MAK/PID key
cscript "Path of the ospp.vbs in double quotes" -inpkey:<product key>
Include the dashes in the product key
Trigger activation
try to activation via the UI. Alternatively you can trigger it using this command:
cscript "Path of the ospp.vbs in double quotes" -act
Check the status
The following command will show the licensing status.
cscript "Path of the ospp.vbs in double quotes" -dstatus
Let us know if these steps work.

Method 3
stop OfficeSoftwareProtectionPlatform
services from services.msc
Remove OfficeSoftwareProtectionPlatform folder from these locations :
Program files/common files/mirosoft shared
Program files x86/ common files/mirosoft shared
Program data/microsoft

Delete registry key from
Hklm/software/microsoft /ospp

Method 4
Please use this apps to remove the volume license information.

http://pxc-coding.com/products/office-key-remover/