While exporting my report to .PDF, I encountered an error message - "Operation not yet implemented"?
Microsoft has released a Windows Update KB3102429 on Nov. 17, 2015 that conflicts with Crystal Report's Export to PDF functionality. This issue also prevents Email Reports from being sent out successfully.
This is a known issue with this Microsoft Windows Update KB3102429 released on Nov. 17, 2015
https://support.microsoft.com/en-us/kb/3102429 (In Crystal Reports version 9 (Crystal 9) and version 10 (Crystal 10), the "export as PDF" functionality fails.)
To fix this issue, update your Windows with the KB3102429 update: https://www.microsoft.com/en-us/search/DownloadsDrillInResults.aspx?q=kb3102429&cateorder=2_5_1&site