Go to Tools > Preferences
Select Advanced tab
On the left hand side, click on Downloads
Untick Hide file types opened with Opera
Then under Mime type, select application/x-msdownload
Click on the Edit button on the right.
Under Action, the selected Option should be Show download
dialog
If it's not, then it's set to run with the browser... those
settings can be changed one by one. Leave them as default is just
nice.
As for the hanging at night, perhaps more users are surfing the Net
at night, reducing speeds and causing it to hang for a while.
