Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
For issue with opening Word and Excel applications in Office starter 2010, you may try repairing the Office Starter edition, from the control panel and check. Refer to the following link to know more on the same:
If the repair does not work, it is suggested to get in touch with your OEM for further help.
Note: Office Starter 2010 is an OEM copy (Original Equipment Manufacturer) which is preinstalled on the system.
For issue with missing dll file error when trying to use Win amp, you may post your query at the forum below for better results.