Thanks for reporting.
Seems like there was a problem updating from 3.3.1 to 4.4 . TV Rename did not initalise any new settings correctly (upgrading from 3.3.1 to 4.4.1 will work OK though)
If you used 4.4 then you may want to check the following settings as they did not initialise:
SubsFolderNamesString = "subs;subtitle;vobsubs;sub;vobsub;subtitle";
DefMovieFolderFormat = singleDirectorySingleFile;
NFOMovies = true;
AutomateAutoAddWhenOneMovieFound = true;
AutomateAutoAddWhenOneShowFound = true;
CopySubsFolders = true;
DeleteMovieFromDisk = false;
RemoveDownloadDirectoriesFilesMatchMovies = false;
RemoveDownloadDirectoriesFilesMatchMoviesLengthCheck = false;
RemoveDownloadDirectoriesFilesMatchMoviesLengthCheckLength = 8;
DefShowAlternateOrder = false;
DefMovieDoRenaming = true;
DefMovieDoMissingCheck = true;
DefMovieUseutomaticFolders = true;
DefMovieUseDefaultLocation = true;
DefMovieCheckFutureDatedMovies = false;
DefMovieCheckNoDatedMovies = false;
SuppressUpdateAvailablePopup = false;
DefaultMovieProvider = TVDoc.ProviderType.TMDB;
subtitleExtensions = ".srt;.sub;.sbv;.idx;.ifo;.smi;.ass;.ssa;.smi;.rt;.aqt;.jss;.cvd;.dks;.ttxt;.mpl;.pjs;.psb;.ssf;.svcd;.usf";
ExportMissingMoviesCSV = false;
ExportMissingMoviesXML = false;
ExportMoviesTXT = false;
ExportMoviesHTML = false;
ExportWTWTXT = false;
ReplaceMoviesWithBetterQuality = false;
IgnorePreviouslySeenMovies = false;
MovieFolderFormat = "{ShowName} ({Year})";
MovieFilenameFormat = "{ShowName} ({Year})";
FileNameCaseSensitiveMatch = false;
UpdateCheckInterval = TimeSpan.FromDays(1);