At a quick glance (can't give it a test atm) - try using a full titleid, as in NPEA00001 or something for your folder name.
Also, you could probably also use cellHddGameCheck() to make the directory if mkdir is giving issues - Sony even provided a nice sample for it in the SDK (sysutil/hddgame)!
13250 HeyManHRU
13207 PS3 News
11287 elser1
11119 oVERSoLDiER
9248 GrandpaHomer
8578 Tidusnake666
7968 saviour07
7340 condorstrike
7258 deank
6858 OGroteKoning
24993 PS3 News
5279 Starlight
2965 HeyManHRU
2173 CJPC
2129 elser1
1818 cfwprophet
1756 her0
1572 oVERSoLDiER
1291 GrandpaHomer
1080 barrybarryk





