I am gettiong this error message. I have tried both the beta and advanced flags with the same result. It successfully downloads the work unit and then repeats these three lines. I just rebuilt my linux system and mistakenly installed the 32 bit version of 12.04 Ubuntu, do I need to have 64 bit for GPU folding in Linux?
18:36:43:WU00:FS00:Downloading core from http://www.stanford.edu/~pande/Linux/x8 ... ore_17.fah
18:36:43:WU00:FS00:Connecting to www.stanford.edu:80
18:36:48:ERROR:WU00:FS00:Exception: Failed to access core package.
Exception: Failed to access core package.
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Re: Exception: Failed to access core package.
Yes, 64-bit is required.
Source: http://proteneer.com/blog/Linux support on NVIDIA cards and 64bit OSes