Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Try the below mentioned steps:
Note: Back up the registry before you modify or delete any key: http://windows.microsoft.com/en-us/windows7/Back-up-the-registry
1. Go to start > run > regedit
2. Navigate to the HKEY_CLASSES_ROOT > Excel.Chart.8
3. Right Click on key and select Permissions
4. In the Permission windows > Click on Add option and type everyone in the name box and click ok.
5. Once this is done highlight everyone in list and Click on the Advanced Tab > Owner > Highlight Everyone > Click on Apply and Ok
6. In the Permission > Select Everyone > enable the check box for Full Control and Read, then Click on Apply and Ok
7. Click on F5 to refresh, this should create a new Sub key below Excel.Chart.8 called Protocol > Right Click on the key and repeat step 3 – 5.
8. Refresh again and follow the same sequence of steps to add permission to the following Sub keys StdFileEditing >Server.
9. Close the registry editor.
Ruchi Bisht