Do not panic.
Without delay, check all computers for compatibility with 2000. For this, there are programs, including freely distributed ones. You can get them online. In particular, the site www.mitre.org provides links to a very large number of sites from which you can get programs for testing, including free ones, and even for software error correction. Of course, not all of these programs are equivalent. The best choice, most likely, is the YMARK2000 program. Continue reading