Fixes:
The PSP® system software version 5.03 (with 5.02, 5.01 and 5.00) update includes the following:
PlayStation®Network
PlayStation®Store
(PlayStation®Store) is now available on the PSP® system.
Using a wireless network connection, you can now download (as a purchase or for free) products such as games, additional items for games, or video content for use on the PSP® system.
When downloading content (as a purchase or for free) from PlayStation®Store using a PSP® system with an 8 GB or 16 GB Memory Stick Duo™ media inserted, you may see a message indicating that the media does not have enough free space, even when sufficient space exists. The version 5.01 update resolves this issue.*
* Note that this issue does not occur when downloading content from PlayStation®Store using a PS3® system or a PC.
The feature for outputting video from PlayStation® format software to a TV has been improved.
You can now output video from PlayStation® format software to a TV in full-screen size.You can now use video output cables that do not support video in progressive mode to output video from PlayStation® format software to a TV. Other new or revised features in 5.03 (with 5.02, 5.01 and 5.00):
Settings [Title Display] has been added as an option under (Video Settings).[USB Auto Connect] has been added as an option under (System Settings).

[Backlight Auto-Adjust] has been added as an option under (Power Save Settings). Music (Sleep Timer) has been added as an option on the control panel Video The
number of file types that can be played has been increased. Other
New for 5.03: System software stability during use of some features has been improved.System software stability during use of some features, including PlayStation®Store, has been improved. (5.02)The
Background of the XMB™ (XrossMediaBar) screen has been redesigned.You can now use a
full-size on-screen keyboard.
It is highly recommended to always use the most recent driver version available.
Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games.
Try to set a system restore point before installing a device driver. This will help if you installed a wrong driver. Problems can arise when your hardware device is too old or not supported any longer.