Yes it was nice feature and instead of calling it bug, they told you dont use it

Yes thanks for GREAT advice, used to do that with all versions of Opera and it worked perfectly. In that case, old opera just didn't delete temp file and download was successfully finished. Now in a latest version, download will be restarted.

Hey,

Looks like Opera 38 will restart download when can't delete temp opdownload file, even when download is 100%. It happens when for example you are downloading movie in mp4 and want to watch it at same time, so you will open temp file for example in VLC. Instead of failing download and leaving opdownload file (which containts all data), opera will restart download again and again