I don't remember this happening in 0.11.8 but then I wasn't trying to click on the border either.
Seems there is no helpful information in the log, but i'll post it anyway
1054683.465798 Info Logger.cpp:148: 2015:01:05 19:34:55; Factorio 0.11.9 (Build 13006, win64)
1054683.633294 Info ModManager.cpp:204: Loading mod core 0.0.0 (data.lua)
1054683.641674 Info ModManager.cpp:204: Loading mod base 0.11.9 (data.lua)
1054683.776719 Info ModManager.cpp:204: Loading mod base 0.11.9 (data-updates.lua)
1054684.143122 Info AtlasSystem.cpp:152: Initial atlas bitmap size is 8192
1054684.143737 Info AtlasSystem.cpp:91: Created atlas bitmap 8192x1923
1054692.082237 Info Updater.cpp:715: Downloading https://www.factorio.com/updater/get-av ... iVersion=2
1054692.304102 Notice Updater.cpp:146: 0 packages available to download (experimental updates enabled).
1054696.595537 Notice Scenario.cpp:126: Loading map
1054696.595817 Info Scenario.cpp:160: Map version 0.11.9-4
Yes that's the whole log file. (seems spoiler tags don't work)1054683.633294 Info ModManager.cpp:204: Loading mod core 0.0.0 (data.lua)
1054683.641674 Info ModManager.cpp:204: Loading mod base 0.11.9 (data.lua)
1054683.776719 Info ModManager.cpp:204: Loading mod base 0.11.9 (data-updates.lua)
1054684.143122 Info AtlasSystem.cpp:152: Initial atlas bitmap size is 8192
1054684.143737 Info AtlasSystem.cpp:91: Created atlas bitmap 8192x1923
1054692.082237 Info Updater.cpp:715: Downloading https://www.factorio.com/updater/get-av ... iVersion=2
1054692.304102 Notice Updater.cpp:146: 0 packages available to download (experimental updates enabled).
1054696.595537 Notice Scenario.cpp:126: Loading map
1054696.595817 Info Scenario.cpp:160: Map version 0.11.9-4