Multiman/webman not reading disc

Hi guys,

For the first time, I installed a CFW (4.85 SPY Cobra 8.01) on my PS3 Slim.

After doing so, I installed the pkg's (multiman, etc) because I want to copy my original PS3 disc's to the hdd so I can play without having to insert the discs.
When I put a disc in my ps3, it works fine and loads up in the XMB. But whenever I run either multiman,managun,webman and whatever other homebrew I tried, it...

Multiman/webman not reading disc