Not sure what went on apart from windows saying the application crashed.
May or may not help you guys, but there it is.
GOG downloader beta 3.3.6
Windows 7 X64 Ultimate - English
downloader log:
http://paste2.org/p/2765145 Windows error report: Log Name: Application
Source: Application Error
Date: 18/01/2013 3:27:34 AM
Event ID: 1000
Task Category: (100)
Level: Error
Keywords: Classic
User: N/A
Computer: (you don't need to know)
Description:
Faulting application name: GOG.com Downloader.exe, version: 3.3.6.0, time stamp: 0x50f67262
Faulting module name: KERNELBASE.dll, version: 6.1.7601.18015, time stamp: 0x50b8479b
Exception code: 0xe053534f
Fault offset: 0x0000000000009e5d
Faulting process id: 0x%9
Faulting application start time: 0x%10
Faulting application path: %11
Faulting module path: %12
Report Id: %13
Event Xml:
<Event xmlns="[url=http://schemas.microsoft.com/win/2004/08/events/event">]http://schemas.microsoft.com/win/2004/08/events/event">[/url];
<System>
<Provider Name="Application Error" />
<EventID Qualifiers="0">1000</EventID>
<Level>2</Level>
<Task>100</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2013-01-17T16:27:34.000000000Z" />
<EventRecordID>97016</EventRecordID>
<Channel>Application</Channel>
<Computer>(you don't need to know)</Computer>
<Security />
</System>
<EventData>
<Data>GOG.com Downloader.exe</Data>
<Data>3.3.6.0</Data>
<Data>50f67262</Data>
<Data>KERNELBASE.dll</Data>
<Data>6.1.7601.18015</Data>
<Data>50b8479b</Data>
<Data>e053534f</Data>
<Data>0000000000009e5d</Data>
</EventData>
</Event>
I didn't have any problems to note with the stable 3.3.5 downloader