OS: Windows 10 - 64bit
After a crash of XnView MP the Kolor Crash reporter appears and allows for uploading crash info. After uploading a report the "Upload" button remains enabled. When pressing a second time, an message appears.
Effect: Confusing/unexpected behaviour
1. Produce a crash in XnView, e.g. by performing the steps described in 0.84: Crash when high quality zooming b/w image
2. In Kolor Crash reporter, press "Upload".
3. The crash report is uploaded. A message box "Successful upload" is displayed.
Actual behaviour: After a successful upload, the "Upload" button remains enabled.
Expected behaviour: After a successful upload of the crash report, the "Upload" button should be inactive.
4. Press "Upload" for a second time.
Actual behaviour: Message "The server seems to be down. Please send the report to support at kolor dot com." is displayed.
Expected behaviour: Message box telling that report has been uploaded, already. Or second successful upload.
