HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\4D36E965-E325-11CE-BFC1-08002BE10318 In the right pane, look for UpperFilters LowerFilters . If they exist, right-click and Restart your PC. Microsoft Learn 4. Third-Party Driver Databases
System details:
Finding drivers for this legacy model can be difficult. Official support has largely ended, but here are your best options:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\4D36E965-E325-11CE-BFC1-08002BE10318 UpperFilters LowerFilters in the right pane and delete them. Back up your registry before making changes. Microsoft Learn 4. Firmware Updates matshita bdmlt uj260 driver
The Matshita (Panasonic) BD-MLT UJ260 is a slim internal Blu-ray burner often found in laptops from the early-to-mid 2010s, such as the Toshiba Satellite L850 and ASUS G75VW .
Navigate through the folders to reach the exact path listed above.
Look at the right pane. Locate and LowerFilters . Right-click each of these entries and select Delete . Close the Registry Editor and restart your PC. Microsoft Learn 4
VLC Media Player (with libaacs libraries) or paid software like CyberLink PowerDVD.
Drive not reading discs, driver not found, "Code 19 - Registry corrupted." 1. Direct Driver Download & Updates (2026)
: Most "driver" issues are actually firmware problems. Users often look for updates to bypass "riplock" (a speed limit on ripping movies) or to improve compatibility with newer Windows 10/11 builds. 3. The "Missing Drive" Mystery but I can't play Blu-ray movies.
Look for a yellow exclamation mark next to the Matshita device name. 2. The UpperFilters and LowerFilters Registry Bug
You're looking for a feature related to the Matshita BD-MLT UJ-260 driver.
Look in the right-hand pane for and LowerFilters . Right-click and Delete both of these values. Restart your computer. Fix "Can Read but Cannot Play Blu-ray Discs"
Navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\4D36E965-E325-11CE-BFC1-08002BE10318 . In the right pane, look for and LowerFilters . Right-click and Delete both. Restart your computer. 4. Firmware Update
The drive works, but I can't play Blu-ray movies.