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)!
13261 HeyManHRU
13219 PS3 News
11307 elser1
11169 oVERSoLDiER
9248 GrandpaHomer
8628 Tidusnake666
7968 saviour07
7340 condorstrike
7258 deank
6858 OGroteKoning
25103 PS3 News
5279 Starlight
2964 HeyManHRU
2174 elser1
2174 CJPC
1815 cfwprophet
1756 her0
1573 oVERSoLDiER
1294 GrandpaHomer
1080 barrybarryk





