Valorant Freezing and Causing PC to freeze

🛡️Vanguard Issue🔧Technical Issue

guys when i installed valorant on new pc like it ran fine for like the first minute but then it started crashing and lagging and even after i closed it and exited it caused the whole pc to keep freezing after a while it wud get fixed i uninstalled valorant and installed it again it still has the same issue how do i fix it can any1 help me