# How do I fix Needs[“OpenCLLink”] failure?

In Mathematica 8.0.4 under Mac OS X 10.8.2, when I evaluate

Needs["OpenCLLink"]


I get error General::cdir: Cannot set current directory to authserver.

Where should that directory be?

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First: it works for me (MMA 8.0.4.0 on 10.8.2, recent MacBook Pro). Second: I had the same problem with CUDALink some time ago, and it actually happened as a byproduct of CUDA actually not being supported on my hardware. And, the error was non fatal, i.e. the CUDALink package was actually loaded even though I had the error. So, I suppose my advise is two-fold: 1. Are you sure it matters? 2. After you run this command, what is the output of OpenCLGQ[]? –  F'x Sep 21 '12 at 12:24
The result of OpenCLQ[] (not OpenCLGQ[]) is True. And, in fact, OpenCL does seem to be working. Guess I'll report the possibly spurious error message to Wolfram tech support. Thanks, @F'x. –  murray Sep 21 '12 at 16:30