Notes about the DLMCACHE file extension:
Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.
The DLMCACHE file type is primarily associated with 'FilePlanet Download Manager' by IGN Entertainment, Inc.. Version Number: 188.8.131.52, 7 June 2006, of the Download Manager changed the partial download extension from DLMCACHE to DLMPARTIAL.