What exactly is the name and extension of the file? watchdog.txt? What is the exact path? C:\Windows\
There are various apps and scripts to debloat a Windows installation but beware, they can also mess it up.
Before making any change, make sure you have a validated backup image of your drive/s. That way, if you mess something up, you can restore from backup in minutes.
Veeam has a nice free product for home use. I am currently using it on a few PC's at work. They have a stellar reputation.