{"id":5970,"date":"2026-08-11T13:30:43","date_gmt":"2026-08-11T20:30:43","guid":{"rendered":"https:\/\/portal.staylinked.com\/sl\/kb\/?post_type=ht_kb&#038;p=5970"},"modified":"2026-08-11T13:31:45","modified_gmt":"2026-08-11T20:31:45","slug":"server-installation-blocked","status":"publish","type":"ht_kb","link":"https:\/\/portal.staylinked.com\/sl\/kb\/knowledge-base\/server-installation-blocked\/","title":{"rendered":"Server Installation Blocked"},"content":{"rendered":"\n<p>In some cases, the server process installer may show that the product is already installed. The message may say that the server upgrade should be used because there's already a server process installed.<\/p>\n\n\n\n<p>The first step is to make sure there isn't a StayLinked folder already on the machine. For Windows systems, this is typically under Program Files, but may also sometimes be found under Program Files (x86). <strong>It's critical that you do not run the full installation over top of an existing installation. Doing so will erase all configuration from the existing installation directory.<\/strong><\/p>\n\n\n\n<p>Be sure there are no StayLinked services running on the target system. You can also use a netstat to confirm if UDP port 3006 is open, which is typically the server process if it's currently running.<\/p>\n\n\n\n<p>The installer checks the following objects for existing installations on a Windows system:<\/p>\n\n\n\n<p>The first check is for registry keys under:<br>HKLM\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall<br>It's looking for any entries that include \"StayLinked Server for Windows\" or \"Stay-Linked Server for Windows\".<\/p>\n\n\n\n<p>Second the installer will check the install folder \"C:\\Program Files\\Stay-Linked\" or the current target location specified in the installer to see if it has any files\/folders in it. The install will be blocked if the selected location exists or contains objects.<\/p>\n\n\n\n<p>You may need to use regedit to clear unwanted entries in the system registry.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In some cases, the server process installer may show that the product is already installed. The message may say that the server upgrade should be used because there's already a server process installed. The first step is to make sure there isn't a StayLinked folder already on the machine. For&#8230;<\/p>\n","protected":false},"author":3,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":[],"ht-kb-category":[58],"ht-kb-tag":[112,111],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v16.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Server Installation Blocked &ndash; StayLinked<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.staylinked.com\/knowledge-base\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Server Installation Blocked &ndash; StayLinked\" \/>\n<meta property=\"og:description\" content=\"In some cases, the server process installer may show that the product is already installed. The message may say that the server upgrade should be used because there&#039;s already a server process installed. The first step is to make sure there isn&#039;t a StayLinked folder already on the machine. 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