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Unzipping is often not enough, because some developers like to zip/tar the module folder with a complete filestructure.
After unzipping/tarring, check the new folder, established trough the decompressing process. You will most likely find folders "html", "module", or something like "module_version_number_x.x.x", which is a clear indicator, that the actual module-folder, is NOT in the XOOPS-module-folder.
You are getting the message "Module File not found", because the installation script checks at the following level for a file titled "xoops_version.php":
(in the following FCBD == FOLDERCREATEDBYDECOMPRESSING
and AF2BIXM == ACTUALLFOLDER2BinXOOPSMODULEFOLDER
XOOPS_ROOT/modules/FCBD/xoops_version.php)
So, the situation you will most likely find is something like this:
XOOPS_ROOT/modules/FCBD/html/modules/AF2BIXM/xoops_version.php
...which is why such messages turn up in the admin area.
Hope this helps you...