Repair no help.
Restart no help.
Repatching no help.
The last paket seems to be around 40MB and i get the Unspecified Error Occured at changing MB counts (most notably 32MB left).
Never got below 18 MB.
also tried :
Unplug your router for 30 seconds, then plug it back in again to clear any active or hung connections
Close any background programs that may be interfering with LoL (LoLReplay has been known to cause issues recently)
If wireless, try wired
If wired, try wireless (if possible)
edit. new patcherlog