Microsoft offers online help for troubleshooting a variety of problems in Excel. Issues covered online include startup, response, hanging and freezing problems. Microsoft provides a list of solutions and troubleshooting options.
Possible solutions to common issues in Excel include installing the latest updates, making sure Excel is not in use by another process, investigating possible issues with add-ins, repairing Office programs and ensuring that antivirus software is up to date and not conflicting with Excel. Startup problems can be the result of a corrupted shortcut to the program, conflict with another program, corruption in the registry keys or a problematic file in the Excel startup folder.