What is the BORIS version I am using?
Menu Help > About > Show details for versions of dependencies.
The function XYZ is not working
Use the Check project integrity function (Projects > Check project integrity) to verify if your project contains any errors. If errors are found, please fix them and then retry the XYZ function.
My BORIS project file is corrupted and BORIS does not open it
EXTREMELY IMPORTANT
Please remember that it is extremely important to regularly back up your project files to prevent data loss.
While software can be reinstalled, your data might be lost forever if not properly backed up.
Use an external drive and/or a cloud service for your backups.
Include a timestamp in the file name to avoid overwriting previous backups (e.g., my_project.YYYY-MM-DD.boris).
The BORIS project file is in JSON format (https://en.wikipedia.org/wiki/JSON). If your corrupted project file is not empty you can open it with a text editor like NotePad++, Pluma, TextEdit, etc (not Microsoft-Word or Libreoffice Write that are text processors) and try to repair it.
Another possibility is to use an on-line JSON validator like https://jsonformatter.org and try to repair it.
BORIS crashes when I load a video and does not generate any error message
Set the MPV player hardware video decoding option to No. See Project > Preferences
One or more widgets (ethogram, subject's list, event's list ...) are not visible during the observation
Right-click on the menu bar and reactivate the widget visualization.
if it does not work close BORIS and delete the BORIS configuration file.
After this you will have to reset all the parameters of Preferences (File > Preferences)
See the user guide for the name and location of the configuration file on your system.
My video does not play (well) with BORIS
To be used with BORIS your video must play well with mpv media player because BORIS used the MPV library. The mpv libary is embedded in BORIS executable versions (except for Linux, you will have to install the libmpv package).
If your video do not play with mpv, you can try to re-encode it.
You can use the embedded tool in BORIS. See Tools > Re-encode/resize video and the user guide
For more parameters you can directly use the FFmpeg framework. Various graphic interfaces are available: QWinFF, HandBrake ...
If your video plays with mpv and not in BORIS you can contact me and send me your video.
I am using an old version of Windows and BORIS does not launch
If you are using an old version of Windows (<10) and have problem launching BORIS, you have to install the Update for Universal C Runtime in Windows See https://support.microsoft.com/en-us/kb/2999226
Can BORIS automatically track my animals/individuals/objects?
No. For this feature you have to use a video tracking software like Ethovision XT (R) from Noldus, Traktor, idtracker.ai ...
You can also check my new project at a very early stage of development DORIS.
Why this program is called BORIS?
It is a tribute to Boris Vian