Hello Juan,
From your description, I understand that you're unable to work with Excel.
I understand how this concerns you and will assist you to resolve it.
- Change the default printer to Microsoft XPS Document Writer/OneNote following the steps from the link below and then check whether issue occurs:
http://windows.microsoft.com/en-US/windows-8/set-change-your-default-printer
2)
Start the computer in clean boot state and then try working with Office application and verify the result.
http://support.microsoft.com/kb/929135/en-us
Note: Ensure to restart the computer in normal mode after troubleshooting process.
- If issue still occurs when you start Excel in normal mode, install Office Configuration Analyzer Tool (OffCAT) information and generate report for Excel and post it back to know more information about the issue.
You may also click on Click here to see possible solutions to this issue and check if any solution is offered and try the same and see if it helps.
Install Office Configuration Analyzer Tool (OffCAT) information from following article:http://support.microsoft.com/kb/2812744
Reply with the result and I'll be glad to further assist you.
Thank You.