--- title: QuickBooks Error 1920: Complete Guide to Fixing Database... description: QuickBooks Error 1920 occurs when Windows fails to register and start the Database Manager service (QBCFMonitorService or QBDBMgrN) during installation or... canonical: https://daily.dev/posts/quickbooks-error-1920-complete-guide-to-fixing-database-manager-service-failures-pqdn7gqpa twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: QuickBooks Error 1920: Complete Guide to Fixing Database Manager Service Failures | daily.dev og:description: QuickBooks Error 1920 occurs when Windows fails to register and start the Database Manager service (QBCFMonitorService or QBDBMgrN) during installation or... og:url: https://daily.dev/posts/quickbooks-error-1920-complete-guide-to-fixing-database-manager-service-failures-pqdn7gqpa og:image: https://api.daily.dev/og/posts/PqDn7gQpA.png og:image:alt: QuickBooks Error 1920: Complete Guide to Fixing Database Manager Service Failures og:image:width: 1200 og:image:height: 630 og:locale: en --- [](https://daily.dev/stevenmoody831)[Steven Moody @stevenmoody831 • Jul 1010](https://daily.dev/stevenmoody831) # QuickBooks Error 1920: Complete Guide to Fixing Database Manager Service Failures [](https://media.daily.dev/image/upload/s--TORzk4Ku--/f%5Fauto/v1783716048/posts/PqDn7gQpA?%5Fa=BAMAMicg0) Comment Bookmark Copy Share your thoughts Post [](https://daily.dev/stevenmoody831) [Steven Moody](https://daily.dev/stevenmoody831) [@stevenmoody831](https://daily.dev/stevenmoody831) Joined Jul 10\. 2026 10 Steven Moody | QuickBooks Accounting Expert & Financial Solutions Specialist #### Would you recommend this post? Copy link WhatsApp Facebook X New Squad Copy linkShare with your friends ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"DiscussionForumPosting","mainEntityOfPage":"https://daily.dev/posts/quickbooks-error-1920-complete-guide-to-fixing-database-manager-service-failures-pqdn7gqpa","headline":"QuickBooks Error 1920: Complete Guide to Fixing Database Manager Service Failures","text":"QuickBooks Error 1920 occurs when Windows fails to register and start the Database Manager service (QBCFMonitorService or QBDBMgrN) during installation or update, causing the installer to roll back. The root causes are: insufficient administrator rights, leftover service registrations from prior installs, a corrupted QB Data Service User account, antivirus blocking the service executable, or interrupted previous installations. The fix depends on the scenario: first-time installs usually resolve by re-running the installer as Administrator; upgrades/reinstalls require renaming leftover Intuit folders in ProgramData and AppData before reinstalling; persistent failures may need service account recreation or Windows SFC repair. Prevention involves always fully uninstalling via Control Panel, running installers as Administrator, and setting antivirus exclusions for Intuit directories.","url":"https://daily.dev/posts/quickbooks-error-1920-complete-guide-to-fixing-database-manager-service-failures-pqdn7gqpa","datePublished":"2026-07-10T20:40:46.624Z","dateModified":"2026-07-11T00:12:16.611Z","author":{"@type":"Person","name":"Steven Moody","url":"https://daily.dev/stevenmoody831","image":"https://media.daily.dev/image/upload/s--y-VijCSw--/f_auto/v1783713105/avatars/avatar_oDJD0X2b6UDXPDZGqjw1W?_a=BAMAMicg0","description":"Steven Moody | QuickBooks Accounting Expert & Financial Solutions Specialist","interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"EndorseAction"},"userInteractionCount":10}},"image":"https://media.daily.dev/image/upload/s--TORzk4Ku--/f_auto/v1783716048/posts/PqDn7gQpA?_a=BAMAMicg0","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"isPartOf":{"@type":"WebPage","url":"https://daily.dev/sources/odjd0x2b6udxpdzgqjw1w","name":"Steven Moody"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Steven Moody","item":"https://daily.dev/sources/odjd0x2b6udxpdzgqjw1w"},{"@type":"ListItem","position":3,"name":"QuickBooks Error 1920: Complete Guide to Fixing Database Manager Service Failures"}]} ```