Logging in to the league launcher and starting freezes my desktop

Whenever i launch league of legends and log into the game, my computer freezes immediately and refuses to respond to any input except a force restart when i hold the power button down.

Specs

Processor AMD FX(tm)-4300 Quad-Core Processor Manufacturer AMD Speed 3.8 GHz Number of Cores 4 Video Card NVIDIA GeForce GT 610 Manufacturer NVIDIA Chipset GeForce GT 610 Dedicated Memory 1.0 GB Total Memory 3.9 GB Memory 8.2 GB Operating System Microsoft Windows 8 (build 9200), 64-bit Service Pack 0 Size 64 Bit Edition Basic Display Maximum Resolution 1600 x 900 DVD TSSTcorp CDDVDW SH-224DB ATA Device CD TSSTcorp CDDVDW SH-224DB ATA Device { Drive Size 931.2 GB Free 516.9 GB