{"id":1872,"date":"2026-01-03T22:30:44","date_gmt":"2026-01-03T14:30:44","guid":{"rendered":"http:\/\/106.53.47.238\/?p=67"},"modified":"2026-01-09T03:41:59","modified_gmt":"2026-01-09T11:41:59","slug":"67","status":"publish","type":"post","link":"https:\/\/deepuninstaller.com\/es\/67.html","title":{"rendered":"Solution: Inventor 2020 Crashes on Startup; Reinstallation Fails with Error 1603"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Issue:<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Autodesk Inventor 2020 closes unexpectedly shortly after launch.<\/li>\n\n\n\n<li>Attempts to reinstall Inventor 2020 result in &#8220;Error 1603&#8221;.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Cause<\/h2>\n\n\n\n<p>This issue typically arises from corrupted or incomplete uninstallation of previous Autodesk software components, or problems with the Autodesk Desktop Licensing Service (ADLS).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Soluci\u00f3n<\/h2>\n\n\n\n<p>Follow these steps to resolve the issue:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Perform a Clean Uninstall of Inventor 2020:<\/strong>Completely uninstall Inventor 2020 from your system. It is recommended to use the Autodesk Uninstall Tool or follow the Autodesk Clean Uninstall instructions to ensure all residual files and registry entries are removed.<img data-dominant-color=\"f1f1f4\" data-has-transparency=\"false\" fetchpriority=\"high\" decoding=\"async\" width=\"500\" height=\"343\" class=\"wp-image-232 not-transparent\" style=\"--dominant-color: #f1f1f4; width: 500px;\" src=\"https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/5.png\" alt=\"\" srcset=\"https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/5.png 2220w, https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/5-300x206.png 300w, https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/5-1024x703.png 1024w, https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/5-768x527.png 768w, https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/5-1536x1054.png 1536w, https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/5-2048x1406.png 2048w, https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/5-18x12.png 18w, https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/5-600x412.png 600w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/li>\n\n\n\n<li><strong>Restart Computer and Configure ADLS Service:<\/strong>Restart your computer.Navigate to Windows Services (type\u00a0<code>services.msc<\/code>\u00a0in the Run dialog and press Enter).Locate the &#8220;Autodesk Desktop Licensing Service&#8221; (ADLS).Right-click on the service, select &#8220;Properties,&#8221; go to the &#8220;Log On&#8221; tab, and change the &#8220;Log on as&#8221; option to &#8220;Local System account.&#8221;Image PlaceholderClick &#8220;Apply&#8221; and &#8220;OK.&#8221;Ensure the service is running. If not, start it.<\/li>\n\n\n\n<li><img data-dominant-color=\"f1f0f1\" data-has-transparency=\"false\" decoding=\"async\" width=\"500\" height=\"203\" class=\"wp-image-2060 not-transparent\" style=\"--dominant-color: #f1f0f1; width: 500px;\" src=\"http:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/BD.png\" alt=\"\" srcset=\"https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/BD.png 1502w, https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/BD-300x122.png 300w, https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/BD-1024x416.png 1024w, https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/BD-768x312.png 768w, https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/BD-18x7.png 18w, https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/BD-600x244.png 600w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><img decoding=\"async\" class=\"wp-image-331\" style=\"width: 500px;\" src=\"https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/32-scaled.png\" alt=\"\"><\/li>\n\n\n\n<li><strong>Attempt Reinstallation of Inventor 2020:<\/strong>Try to install Inventor 2020 again.If the ADLS service is not found or the installer indicates missing components, ensure you have complete installation media. You may need to repair the existing Autodesk installation or reinstall the Autodesk Desktop Licensing Service separately if available.<img data-dominant-color=\"f1f2f4\" data-has-transparency=\"false\" decoding=\"async\" width=\"500\" height=\"334\" class=\"wp-image-254 not-transparent\" style=\"--dominant-color: #f1f2f4; width: 500px;\" src=\"https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/12.png\" alt=\"\" srcset=\"https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/12.png 2222w, https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/12-300x200.png 300w, https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/12-1024x684.png 1024w, https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/12-768x513.png 768w, https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/12-1536x1026.png 1536w, https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/12-2048x1368.png 2048w, https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/12-18x12.png 18w, https:\/\/deepuninstaller.com\/wp-content\/uploads\/2026\/01\/12-600x401.png 600w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Additional Troubleshooting for Crashes Without Specific Errors<\/h2>\n\n\n\n<p>If an Autodesk software (version 2020 or newer) crashes without any explicit error messages or prompts:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Utilize a&nbsp;<code>deepuninstaller<\/code>&nbsp;tool.<\/li>\n\n\n\n<li>Within the&nbsp;<code>deepuninstaller<\/code>&nbsp;tool, select the specific Autodesk software and its version that is experiencing the crash.<\/li>\n\n\n\n<li>Employ the tool&#8217;s advanced or &#8220;extended&#8221; features (often referred to as &#8216;<strong>License conversion<\/strong>&#8216; or specialized cleaning options) to thoroughly remove hidden conflicts or corrupted files.<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>Issue: Cause This issue typically arises from corrupted or incomplete uninstallation of previous Autodesk software components, or problems with the Autodesk Desktop Licensing Service (ADLS). Solution Follow these steps to resolve the issue: Additional Troubleshooting for Crashes Without Specific Errors If an Autodesk software (version 2020 or newer) crashes without any explicit error messages or [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_glsr_average":0,"_glsr_ranking":0,"_glsr_reviews":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[45,43],"tags":[],"class_list":["post-1872","post","type-post","status-publish","format-standard","hentry","category-cad","category-problem-resolution-hub"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/deepuninstaller.com\/es\/wp-json\/wp\/v2\/posts\/1872","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/deepuninstaller.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/deepuninstaller.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/deepuninstaller.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/deepuninstaller.com\/es\/wp-json\/wp\/v2\/comments?post=1872"}],"version-history":[{"count":2,"href":"https:\/\/deepuninstaller.com\/es\/wp-json\/wp\/v2\/posts\/1872\/revisions"}],"predecessor-version":[{"id":2061,"href":"https:\/\/deepuninstaller.com\/es\/wp-json\/wp\/v2\/posts\/1872\/revisions\/2061"}],"wp:attachment":[{"href":"https:\/\/deepuninstaller.com\/es\/wp-json\/wp\/v2\/media?parent=1872"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/deepuninstaller.com\/es\/wp-json\/wp\/v2\/categories?post=1872"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/deepuninstaller.com\/es\/wp-json\/wp\/v2\/tags?post=1872"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}