And now the problem is back... I copied part of the log below, hoping that this helps someone figure this out...
Log: WARNING: Texture [Package.Movie] is corrupted.
Log: WARNING: Texture [Package.Movie] is corrupted.
Log: WARNING: Texture [Package.Movie] is corrupted.
Log: WARNING: Texture [Package.Movie] is corrupted.
Log: WARNING: Texture [Package.Movie] is corrupted.
Log: WARNING: Texture [Package.Movie] is corrupted.
Log: WARNING: Texture [Package.Movie] is corrupted.
Log: WARNING: Texture [Package.Movie] is corrupted.
Log: WARNING: Texture [Package.Movie] is corrupted.
Log: WARNING: Texture [Package.Movie] is corrupted.
Log: WARNING: Texture [Package.Movie] is corrupted.
Warning: Failed to load 'Class XGame.xJuggMaleSoundGroup': Failed to find object 'Class XGame.xJuggMaleSoundGroup'
ScriptLog: START MATCH
Log: ALAudio: AL_OUT_OF_MEMORY in RegisterSound (generating streaming buffers)
Log: ALAudio: AL_INVALID_NAME in PlaySound END
Log: Unreal Call Stack: FOpenGLRenderInterface:
rawPrimitive <- FProjectorRenderBatch::Render <- RenderLevel <- FLevelSceneNode::Render <- FPlayerSceneNode::Render <- UGameEngine:
raw <- USDLViewport::Repaint <- USDLClient::Tick <- ClientTick <- UGameEngine::Tick <- UpdateWorld <- MainLoop
Exit: Exiting.
Log: FileManager: Reading 1 GByte 386 MByte 704 KByte 532 Bytes from HD took 4.890769 seconds (2.811377 reading, 2.079392 seeking).
Log: FileManager: 0.000000 seconds spent with misc. duties
Uninitialized: Name subsystem shut down
Uninitialized: Allocation checking disabled
Uninitialized: Log file closed, Tue Nov 6 20:19:07 2012