Why does the Altera PLL fail to launch? - Why does the Altera PLL fail to launch? Description Due to a problem in Quartus® II software version 14.1 and earlier, you may see the Altera PLL fails to launch. This problem occurs when you create/edit Altera PLL using Qsys, IP Catalog or the MegaWizard™ Plug-in Manager. The problem is caused by the tbbmalloc.dll in the c:\windows\system32 directory. Resolution To work around this problem, remove the tbbmalloc.dll from the c:\windows\system32 directory. This problem is scheduled to be fixed in future release of the Quartus II software. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['novalue'] novalue novalue ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']