if you are spoofing your cobra 4.46 to 4.55, please update to psnpatch 2.22:

CURRENT VERSION [2.22] Feb/06/2014

Corrects small bug importing cert when spoofing version. if you spoofed 4.46 cobra version with psnpatch 2.21, please use psnpatch 2.22 to remove spoof, REBOOT and activate again.
Spoofs cobra 4.46 firmware to version 4.55 (*);
Imports new certs from files/cert/ when spoofing version.
"cobra_version.txt" is now on files/ (older cobra_version.txt will be deleted at startup);
Integrity check is made when entering cobra menu;
Includes webMAN 1.29;

(*) If you already spoofing firmware version, first disable it then enable to the new version.
Currently only Cobra 4.46 supports version spoofing (using cobra method).
If you're using a cobra 4.53 system, make sure it supports version spoofing BEFORE using-it !

- Latest "makeps3iso", "extractps3iso" and "patchps3iso" included
- Option to allow some special Characters, like '™' or '®', in ISO-names(WARNING: Doesn't work with 'webMAN' but works with 'multiMAN' or 'IrisManager' as far as i can tell)
- Shows log file after conversion/extraction for a quick check if everything goes well
- Check for insufficient free disk space on target drive
- Quick Update v1.91b: Added Check for insufficient free disk space on target drive

- Fix various bugs in FTP client
- Make app shutdown more clean
- Icecast: Add support for m3u playlists
- http client: Add support for reading files with unknown file size
- ps3: Fix various build fails