Simply going through the causes and fixes won’t
help until you have a little knowledge about what this error code is all about.
So, here is a quick view about this QuickBooks error code
12045. This error can be experienced when you try to update the QuickBooks desktop or download the latest release for
the same. In a couple of scenarios, the error messages aren’t noticeable, but
at times you might experience a warning message such as in the case of 12045
errors. It shows up on the screen stating: Error 12045: Failed to
download the update. Other than this, there can be a few
more errors that can be seen when updating the QuickBooks software; it includes
QuickBooks error 12157, 12038, 12037, 15xxx errors, etc. There are a few
factors that might trigger such errors in QuickBooks. Let us discuss further
the causes.