Notes about the DOWNLOAD 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 DOWNLOAD file type is primarily associated with 'Chrome' by Google. Downloads on Google's Chrome browser that use the Download Manager are given the extension .DOWNLOAD if the download has not been completed.