The (x86) variant is where 32 bit applications live. The "plain" directory contains 64 bit apps. It's a pretty good bet that the OP's application is 32 bit.

Premature optimization is the root of all job security

In reply to Re^8: Can't run Clustalw through Bioperl by GrandFather
in thread Can't run Clustalw through Bioperl by dimitris852

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