Having your POS system and POS software be effective in your retail, restaurant or Salon business is crucial , and any downtime errors or problems could hold your business and transactions. So a retail POS software is a very popular tool to run any standard business or store, with many features to assist the business. And as is the case with a lot of other technologies, these programs are not immune to problems and headaches and sometimes seem to fail you when you need them most. In this article, we will explore some of the most common errors and problems with the very popular Square retail POS software, and of course we will address the troubleshooting process and steps to remedy these errors.   Server Error: "This site can't be reached"    - Error Description: this error typically comes up when the user attempts to access their Square retail POS site.    - Solution: check for misspelling in the domain name, double check your DNS settings on your system, and lastly verify the site's availability in general. [...]