I'm getting this error.
Screenshot : http://i1055.photobucket.com/albums/s508/Towerarcher/image.png

I've used repair tool everytime i got this error.I also deleted "Updates" folder at last try.

Launcher log :
#-----------------------------------------------------------
# System started at 2012-02-01 09:54:17.9538
# system: CRIMSON-SUNBIRD
#-----------------------------------------------------------
09:54:17.9648 Launcher version 4.2.1.2617
09:54:18.0245 World of Warcraft version 4.3.0.15050
09:54:18.3138 Found incorrect GamePath registry key entry for World of Warcraft ('D:\World of Warcraft\Launcher.exe').
09:54:18.3140 Fixed incorrect GamePath registry key entry for World of Warcraft (now 'D:\World of Warcraft\Launcher.patch.exe').
09:54:19.0496 Retrieving torrent information from the server.
09:54:29.4551 Success writing priority file D:\World of Warcraft\Data\Cache\priority-enGB.pfil.
09:56:41.9461 Success writing torrent file D:\World of Warcraft\WoW.tfil.
09:56:41.9476 Patch on demand http torrent download succeeded.
09:56:41.9476 Tools patching...
10:03:27.1853 Downloader disconnected.
#-----------------------------------------------------------
# System started at 2012-02-01 10:04:07.2105
# system: CRIMSON-SUNBIRD
#-----------------------------------------------------------
10:04:07.2121 Launcher version 4.2.1.2683
10:04:07.2654 World of Warcraft version 4.3.0.15050
10:04:07.7158 Found incorrect GamePath registry key entry for World of Warcraft ('D:\World of Warcraft\Launcher.patch.exe').
10:04:07.7159 Fixed incorrect GamePath registry key entry for World of Warcraft (now 'D:\World of Warcraft\Launcher.exe').
10:04:08.7739 Starting PatchOnDemand system...
10:04:08.7739 Retrieving torrent information from the server.
10:04:08.8956 Download Tags: EXP3,EXP2,EXP1,Win,enGB
10:04:46.3753 Success writing rebase mopaq file D:\World of Warcraft\Temp\wow-15050-15050-Win-rebase.MPQ.
10:04:49.4227 Required data downloaded. Running update 'Temp\wow-15050-15050-Win-rebase.MPQ'
10:09:31.5560 Game installation folder is too damaged to run Updater. Please run Repair.

#-----------------------------------------------------------
# System started at 2012-02-01 10:09:53.2180
# system: CRIMSON-SUNBIRD
#-----------------------------------------------------------
10:09:53.2194 Launcher version 4.2.1.2683
10:09:53.2752 World of Warcraft version 4.3.0.15050
10:09:55.1130 Starting PatchOnDemand system...
10:09:55.1130 Retrieving torrent information from the server.
10:09:55.2777 Download Tags: EXP3,EXP2,EXP1,Win,enGB
10:10:31.3137 Success writing rebase mopaq file D:\World of Warcraft\Temp\wow-15050-15050-Win-rebase.MPQ.
10:10:34.3584 Required data downloaded. Running update 'Temp\wow-15050-15050-Win-rebase.MPQ'
10:10:37.4947 Game installation folder is too damaged to run Updater. Please run Repair.

#-----------------------------------------------------------
# System started at 2012-02-01 10:28:16.6252
# system: CRIMSON-SUNBIRD
#-----------------------------------------------------------
10:28:16.6289 Launcher version 4.2.1.2617
10:28:16.8470 World of Warcraft version 4.3.0.15050
10:28:18.6589 Preparing for a tools patch.

#-----------------------------------------------------------
# System started at 2012-02-01 10:28:19.8670
# system: CRIMSON-SUNBIRD
#-----------------------------------------------------------
10:28:20.2192 Found incorrect GamePath registry key entry for World of Warcraft ('D:\World of Warcraft\Launcher.exe').
10:28:20.2194 Fixed incorrect GamePath registry key entry for World of Warcraft (now 'D:\World of Warcraft\Launcher.patch.exe').
10:28:20.9374 Retrieving torrent information from the server.
10:28:21.0789 Tools patching...
10:30:44.3359 Downloader disconnected.
#-----------------------------------------------------------
# System started at 2012-02-01 10:30:51.9554
# system: CRIMSON-SUNBIRD
#-----------------------------------------------------------
10:30:51.9568 Launcher version 4.2.1.2683
10:30:52.0119 World of Warcraft version 4.3.0.15050
10:30:52.6168 Found incorrect GamePath registry key entry for World of Warcraft ('D:\World of Warcraft\Launcher.patch.exe').
10:30:52.6170 Fixed incorrect GamePath registry key entry for World of Warcraft (now 'D:\World of Warcraft\Launcher.exe').
10:30:54.0153 Starting PatchOnDemand system...
10:30:54.0153 Retrieving torrent information from the server.
10:30:54.1430 Download Tags: EXP3,EXP2,EXP1,Win,enGB
10:31:06.8274 Success writing rebase mopaq file D:\World of Warcraft\Temp\wow-15050-15050-Win-rebase.MPQ.
10:31:09.8754 Required data downloaded. Running update 'Temp\wow-15050-15050-Win-rebase.MPQ'
10:31:16.1753 Game installation folder is too damaged to run Updater. Please run Repair.

#-----------------------------------------------------------
# System started at 2012-02-01 10:32:10.8104
# system: CRIMSON-SUNBIRD
#-----------------------------------------------------------
10:32:10.8119 Launcher version 4.2.1.2683
10:32:10.8822 World of Warcraft version 4.3.0.15050
10:32:12.6690 Starting PatchOnDemand system...
10:32:12.6690 Retrieving torrent information from the server.
10:32:12.8294 Download Tags: EXP3,EXP2,EXP1,Win,enGB
10:32:52.9094 Success writing rebase mopaq file D:\World of Warcraft\Temp\wow-15050-15050-Win-rebase.MPQ.
10:32:55.9442 Required data downloaded. Running update 'Temp\wow-15050-15050-Win-rebase.MPQ'
10:32:58.7282 Game installation folder is too damaged to run Updater. Please run Repair.

#-----------------------------------------------------------
# System started at 2012-02-01 10:45:44.8725
# system: CRIMSON-SUNBIRD
#-----------------------------------------------------------
10:45:44.8740 Launcher version 4.2.1.2617
10:45:45.0421 World of Warcraft version 4.3.0.15050
10:45:46.7767 Preparing for a tools patch.

#-----------------------------------------------------------
# System started at 2012-02-01 10:45:47.4758
# system: CRIMSON-SUNBIRD
#-----------------------------------------------------------
10:45:47.9014 Found incorrect GamePath registry key entry for World of Warcraft ('D:\World of Warcraft\Launcher.exe').
10:45:47.9015 Fixed incorrect GamePath registry key entry for World of Warcraft (now 'D:\World of Warcraft\Launcher.patch.exe').
10:45:48.6110 Retrieving torrent information from the server.
10:45:48.7603 Tools patching...
10:46:36.9105 Downloader disconnected.
#-----------------------------------------------------------
# System started at 2012-02-01 10:46:43.8224
# system: CRIMSON-SUNBIRD
#-----------------------------------------------------------
10:46:43.8238 Launcher version 4.2.1.2683
10:46:43.8821 World of Warcraft version 4.3.0.15050
10:46:44.8101 Found incorrect GamePath registry key entry for World of Warcraft ('D:\World of Warcraft\Launcher.patch.exe').
10:46:44.8103 Fixed incorrect GamePath registry key entry for World of Warcraft (now 'D:\World of Warcraft\Launcher.exe').
10:46:45.8766 Starting PatchOnDemand system...
10:46:45.8766 Retrieving torrent information from the server.
10:46:46.0165 Download Tags: EXP3,EXP2,EXP1,Win,enGB
10:46:58.2370 Success writing rebase mopaq file D:\World of Warcraft\Temp\wow-15050-15050-Win-rebase.MPQ.
10:47:01.2698 Required data downloaded. Running update 'Temp\wow-15050-15050-Win-rebase.MPQ'
10:47:03.2237 Game installation folder is too damaged to run Updater. Please run Repair.

#-----------------------------------------------------------
# System started at 2012-02-01 11:08:23.6852
# system: CRIMSON-SUNBIRD
#-----------------------------------------------------------
11:08:23.6867 Launcher version 4.2.1.2617
11:08:23.9722 World of Warcraft version 4.3.0.15050
11:08:25.6950 Preparing for a tools patch.

#-----------------------------------------------------------
# System started at 2012-02-01 11:08:26.4201
# system: CRIMSON-SUNBIRD
#-----------------------------------------------------------
11:08:26.4927 World of Warcraft version 4.3.0.15050
11:08:26.8180 Found incorrect GamePath registry key entry for World of Warcraft ('D:\World of Warcraft\Launcher.exe').
11:08:26.8181 Fixed incorrect GamePath registry key entry for World of Warcraft (now 'D:\World of Warcraft\Launcher.patch.exe').
11:08:27.5392 Retrieving torrent information from the server.
11:08:27.6928 Tools patching...
11:10:44.6318 Downloader disconnected.
#-----------------------------------------------------------
# System started at 2012-02-01 11:10:53.4279
# system: CRIMSON-SUNBIRD
#-----------------------------------------------------------
11:10:53.4294 Launcher version 4.2.1.2683
11:10:53.4891 World of Warcraft version 4.3.0.15050
11:10:53.7615 Found incorrect GamePath registry key entry for World of Warcraft ('D:\World of Warcraft\Launcher.patch.exe').
11:10:53.7617 Fixed incorrect GamePath registry key entry for World of Warcraft (now 'D:\World of Warcraft\Launcher.exe').
11:10:55.1499 Starting PatchOnDemand system...
11:10:55.1499 Retrieving torrent information from the server.
11:10:55.3348 Download Tags: EXP3,EXP2,EXP1,Win,enGB
11:11:08.2825 Success writing rebase mopaq file D:\World of Warcraft\Temp\wow-15050-15050-Win-rebase.MPQ.
11:11:11.3343 Required data downloaded. Running update 'Temp\wow-15050-15050-Win-rebase.MPQ'
11:11:18.6930 Game installation folder is too damaged to run Updater. Please run Repair.

#-----------------------------------------------------------
# System started at 2012-02-01 11:12:18.0835
# system: CRIMSON-SUNBIRD
#-----------------------------------------------------------
11:12:18.0848 Launcher version 4.2.1.2683
11:12:18.1367 World of Warcraft version 4.3.0.15050
11:12:19.6973 Starting PatchOnDemand system...
11:12:19.6973 Retrieving torrent information from the server.
11:12:19.8388 Download Tags: EXP3,EXP2,EXP1,Win,enGB
11:12:48.5918 Success writing rebase mopaq file D:\World of Warcraft\Temp\wow-15050-15050-Win-rebase.MPQ.
11:12:51.6251 Required data downloaded. Running update 'Temp\wow-15050-15050-Win-rebase.MPQ'
11:12:56.8967 Game installation folder is too damaged to run Updater. Please run Repair.

#-----------------------------------------------------------
# System started at 2012-02-01 11:13:09.0731
# system: CRIMSON-SUNBIRD
#-----------------------------------------------------------
11:13:09.0747 Launcher version 4.2.1.2683
11:13:09.1301 World of Warcraft version 4.3.0.15050
11:13:10.1920 Starting PatchOnDemand system...
11:13:10.1920 Retrieving torrent information from the server.
11:13:10.3351 Download Tags: EXP3,EXP2,EXP1,Win,enGB
11:13:53.3552 Success writing rebase mopaq file D:\World of Warcraft\Temp\wow-15050-15050-Win-rebase.MPQ.
11:13:56.3929 Required data downloaded. Running update 'Temp\wow-15050-15050-Win-rebase.MPQ'
11:13:59.0213 Game installation folder is too damaged to run Updater. Please run Repair.

#-----------------------------------------------------------
# System started at 2012-02-01 11:16:16.0728
# system: CRIMSON-SUNBIRD
#-----------------------------------------------------------
11:16:16.0742 Launcher version 4.2.1.2683
11:16:16.2179 World of Warcraft version 4.3.0.15050
11:16:17.6561 Starting PatchOnDemand system...
11:16:17.6561 Retrieving torrent information from the server.
11:16:17.7972 Download Tags: EXP3,EXP2,EXP1,Win,enGB
11:16:30.1774 Success writing rebase mopaq file D:\World of Warcraft\Temp\wow-15050-15050-Win-rebase.MPQ.
11:16:33.2144 Required data downloaded. Running update 'Temp\wow-15050-15050-Win-rebase.MPQ'
11:16:39.9895 Game installation folder is too damaged to run Updater. Please run Repair.

#-----------------------------------------------------------
# System started at 2012-02-01 11:21:24.0214
# system: CRIMSON-SUNBIRD
#-----------------------------------------------------------
11:21:24.0229 Launcher version 4.2.1.2617
11:21:24.1799 World of Warcraft version 4.3.0.15050
11:21:25.5635 Preparing for a tools patch.

#-----------------------------------------------------------
# System started at 2012-02-01 11:21:26.1987
# system: CRIMSON-SUNBIRD
#-----------------------------------------------------------
11:21:26.6493 Found incorrect GamePath registry key entry for World of Warcraft ('D:\World of Warcraft\Launcher.exe').
11:21:26.6495 Fixed incorrect GamePath registry key entry for World of Warcraft (now 'D:\World of Warcraft\Launcher.patch.exe').
11:21:27.3548 Retrieving torrent information from the server.
11:21:27.5184 Tools patching...
11:23:38.3505 Downloader disconnected.
#-----------------------------------------------------------
# System started at 2012-02-01 11:23:46.4653
# system: CRIMSON-SUNBIRD
#-----------------------------------------------------------
11:23:46.4670 Launcher version 4.2.1.2683
11:23:46.5258 World of Warcraft version 4.3.0.15050
11:23:47.0091 Found incorrect GamePath registry key entry for World of Warcraft ('D:\World of Warcraft\Launcher.patch.exe').
11:23:47.0093 Fixed incorrect GamePath registry key entry for World of Warcraft (now 'D:\World of Warcraft\Launcher.exe').
11:23:48.0319 Starting PatchOnDemand system...
11:23:48.0319 Retrieving torrent information from the server.
11:23:48.2040 Download Tags: EXP3,EXP2,EXP1,Win,enGB
11:24:24.8759 Success writing rebase mopaq file D:\World of Warcraft\Temp\wow-15050-15050-Win-rebase.MPQ.
11:24:27.9109 Required data downloaded. Running update 'Temp\wow-15050-15050-Win-rebase.MPQ'
11:24:36.5601 Game installation folder is too damaged to run Updater. Please run Repair.