MacOS Bootcamp: Cannot access windows after downloading windows support software directly to bootcamp partition

I installed windows 10 on my mac via bootcamp yesterday and it worked fine. But today I attempted to install the windows support software (in bootcamp assistant-->Action-->Download Windows Support Software) directly to my bootcamp partition, and immediately it stopped working. The bootcamp drive stopped appearing in disk utility, and when I open bootcamp assistant now it tells me that "the startup disk does not have enough space to be partitioned: you must have at least 42 GB of free space available" even though I have 43.64 GB available. When I restart my computer and hold option, I am able to see the windows hard drive, but when I open it I am prompted with the error message: "The operating system couldn't be loaded because the system registry file is missing or contains errors" with error code: 0xc0000225. I have no idea how to fix this problem since I don't see how I can even access the windows bootcamp to repair it. Please let me know if anyone knows how to solve this.

Boot camp assistant space error

Space on my harddrive

Windows drive not in my disk utility