A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
There is no problem with your Office installation or Windows, this is a widely reported problem with StockHistory not working in may locales since the 7th of September, there is currently no workaround or alternative available, the best option is to report this in Excel - Help - Feedback - Report a Problem.
Microsoft have indicated they are aware of the problem, we just need to wait for them to resolve the problem on their servers and StockHistory will then work again.