Although the mdf file is in under the folder, and name is exact the same, but Tixati seems can't check the file, if I rename it in Tixati, the file will be renamed too, but just can't force check it.
And you can see that the mds filename is in yellow, but the mdf file is grey.
(link to picture removed by mod and sent to Devs)
Seems just happened on the files with mdf extension
Under qBittorrent has no problem, checking normal