{"id":111260,"date":"2025-06-10T07:00:00","date_gmt":"2025-06-10T14:00:00","guid":{"rendered":"https:\/\/devblogs.microsoft.com\/oldnewthing\/?p=111260"},"modified":"2025-06-10T08:07:16","modified_gmt":"2025-06-10T15:07:16","slug":"20250610-00","status":"publish","type":"post","link":"https:\/\/devblogs.microsoft.com\/oldnewthing\/20250610-00\/?p=111260","title":{"rendered":"Application compatibility for Windows 95 crashed a cash register"},"content":{"rendered":"<p>Some time ago, I told the story of the time the development manager for Windows 95 <a title=\"Buying an entire Egghead Software store\" href=\"https:\/\/devblogs.microsoft.com\/oldnewthing\/20050824-11\/?p=34463\"> bought one copy of every PC program in the Egghead Software store<\/a>.<\/p>\n<p>I learned that in addition to stunning the store manager, this creative operation almost didn&#8217;t work: The store&#8217;s cash register crashed whenever the total exceeded $10,000. Because like, c&#8217;mon, who would buy $10,000 of stuff by just walking into a store? If you&#8217;re going to buy that much stuff, you would use a purchase order, right?<\/p>\n<p>The order had to be broken up into chunks so that each chunk totaled less than $10,000.<\/p>\n<p><b>Related reading<\/b>:<\/p>\n<ul>\n<li><a title=\"What were the tax consequences of letting Windows 95 team members keep a piece of software as long as they tested it?\" href=\"https:\/\/devblogs.microsoft.com\/oldnewthing\/20240415-47\/?p=109663\"> What were the tax consequences of letting Windows 95 team members keep a piece of software as long as they tested it<\/a>?<\/li>\n<li><a title=\"Windows 95 crashes a cash register\" href=\"https:\/\/devblogs.microsoft.com\/oldnewthing\/20050825-30\/?p=34433\"> Windows 95 crashes a cash register<\/a>.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Exceeding all reasonable maximums.<\/p>\n","protected":false},"author":1069,"featured_media":111744,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[2],"class_list":["post-111260","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oldnewthing","tag-history"],"acf":[],"blog_post_summary":"<p>Exceeding all reasonable maximums.<\/p>\n","_links":{"self":[{"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/posts\/111260","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/users\/1069"}],"replies":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/comments?post=111260"}],"version-history":[{"count":0,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/posts\/111260\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/media\/111744"}],"wp:attachment":[{"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/media?parent=111260"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/categories?post=111260"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/devblogs.microsoft.com\/oldnewthing\/wp-json\/wp\/v2\/tags?post=111260"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}