Fatal Error Out of thread ids

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Fatal Error
Out of thread ids. Decrease the number of threads or increase MAX_THREADS_SUPPORTED

A error when Operating system is running more CPU threads than "old" program is design for.

Note.png Note: Command parameter -threads or start /AFFINITY 7 either not work or have no effect

Simple way to decrease CPU thread count on Windows

  • Type msconfig into Windows Run program or Search bar.
  • Choose Boot tab page, click Advanced options...
  • Check box - Number of processors: and from drop list, choose value 19 or less. This help on L4D, L4D2 Hammer tools.

Other ways

  • From BIOS, decrease core/thread count
  • AMD Ryzen Master have a option in profile settings: Legacy Compatibility Mode (#post)

See Also

Authoring Tools/SDK (Left 4 Dead)

Authoring Tools/SDK (Left 4 Dead 2)