Bootcamp issues on early 2011 MBP running Big Sur

I installed win 10 on my early 2011 MBP running on Big Sur through oclp. My knowledge on this is very weak, so kindly enlighten me even on the simplest of fixes. I tried resetting the nvram, smc and all that. No luck. What happened is that after installing windows and bootcamp finished installing the drivers, it asked for a restart. But it can't boot into windows after that. It gets stuck in the windows loading screen and crashes. It keeps boot looping or reaches the blue windows error screen. Rarely it reaches the lock screen, but if I try logging in, same issue. The error message is "Kernel security check failure" or so. I tried installing windows twice. No luck. I believe there was a slight issue with the GPU as it glitched when I installed the OS (prior to this, I wiped my hdd and installed MacOS from recovery and these GPU glitch issues were terrible then). And while bootcamp installed the drivers in windows, one error popped up saying "No AMD graphics driver is installed" and it showed an error in the device manager as well. The GPU is AMD Radeon 6700M. But I can still get a proper display output as the intel integrated graphics is working fine. On light research, Kernel security check failure occurs when there's driver errors or hardware errors? Will disabling the AMD GPU make it work? If so, how do I do it? Can I do it from windows cmd? (through troubleshoot) Or should I do it from MacOS itself? I hope someone here will be able to help, or help me findt out where I can get help for this. Thank you so much in advance if you read till here.

submitted by /u/kn8_
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