Frequently asked questions (FAQ)
It’s incorrect usage. First, right-click the video file in the folder and select “Assign Thumbnail”.
The Freeware edition limits the number of movie files that can specify thumbnails to 30. Specifying thumbnails beyond 30 will invalidate the oldest specification. However, the position of the specified thumbnail is stored for the each file, so when you open it in the Viewer, the specified thumbnail position is displayed as the initial screen.
An error has occurred due to the movie cannot be played with Media Foundation and Direct Show. It is necessary to install a Media Source or Splitter for the container which you want to play. Also Decoder or Rendering filter is required which suit to encoded data you want to play. Check container and encode type which you want to play by using “MediaInfo”, etc, then install codec-pack, other software which be able to play container and encode data.
To specify a thumbnail for a video file, the media which contains the file must be formatted with NTFS or ReFS. FAT, exFAT and other format types are not supported yet.
Since the specification by ThumbnailCity does not clear, it takes time to redisplay the thumbnails for the first time, but the specified thumbnail will be displayed. No need to re-specify.
To specify a thumbnail for a video file, the media which contains the file must be formatted with NTFS or ReFS. FAT, exFAT and other format types are not supported.
Turn off the OneDrive files-on-demand feature. When the files-on-demand feature is ON, Explorer displays thumbnails generated on the cloud side, so the ThumbnailCity function is not used. This feature can be turned ON / OFF by right-clicking the OneDrive icon in the task tray → setting → setting tab.
This error occurs when you manually move / rename or delete file(s) located in the ThumbnailCity installed folder. It will be fixed if you restore the file(s) to its original location.