During SharePoint patch installation, either manually or via cumulative update (CU), sometimes you may get a message that states some patches are required and/or missing; however, you may have just finished installing all the patches. Resetting IIS or rebooting the machine will not necessarily fix this (resetting IIS definitely won’t). So what do you do? Just run this PowerShell command in the SharePoint PowerShell window:
Get-SPProduct -local |