After upgrading QuickBooks, users may encounter issues with the QuickBooks Bank Feed Not Working. This problem can arise due to several reasons such as outdated bank credentials, connectivity issues, or compatibility problems with the new software version. To resolve this, ensure your QuickBooks software is fully updated and verify your bank credentials. Clearing the cache or re-establishing the bank connection might also help. If these steps don’t work, contacting QuickBooks support or the bank for assistance is recommended. Keeping both QuickBooks and your bank’s online banking system in sync is crucial for seamless financial management.