I wish I had looked at the size before doing that. I'm attaching a screen capture of the file for reference.
I haven't run a disk check. I'm not sure how. But I'll research it and do it. I'm a Mac person, PC's are relatively foreign to me. I'll try to learn about "permissions" too. If I get too lost I'll just re-enter the tools and be sure to back up that file somewhere.
I just checked the size of the file and I see that it's showing that is only 3kb and it was modified yesterday. So that must be because I added one tool yesterday so I could work on a job.