QB Issue Resolution:

Sounds like you are using 2009 or earlier and upgraded to Snow Leopard or newer. The solution is to get a newer copy of QuickBooks.

Resolution for Issue 'updated to a new operating system and now my quickbooks check register displays incorrectly is there a fix?' available: Yes (Solved).
Source: Intuit Community forum.

updated to a new operating system and now my quickbooks check register displays incorrectly is there a fix?: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for Check Register
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Error Recovery for Check Register [Canada]
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