QB Issue Resolution:
Yes, unless you absolutely need “contact sync” this has been disabled by Apple in Mavericks.
Resolution for Issue 'why cant i update to next version of mac os?' available: Yes (Solved).
Source: Intuit Community forum.
why cant i update to next version of mac os?: 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 Quickbooks
Quickbooks Repair Pro will resolve it efficiently and affordably. Guaranteed resolution of your issue, or you pay nothing!
Error Recovery for Quickbooks [Canada]
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