First, check your file. Make sure your image is a JPEG, between 50 KB and 20 MB, and has an RGB color space. If you are unsure of the image file type, please open your image via an image editor (Photoshop, Illustrator, Corel Draw) and resave as a JPEG. Set the Preset to "Web" which will convert the image to the RGB color space. All images intended for the web should be RGB, images intended for printing may be RGB or CMYK.
Second, check your browser. While image upload is supported on all newer browsers, please make sure your browser is completely up-to-date. If you continue to have issues, please try another browser. IMDb recommends either Firefox or Chrome for image upload.
Third, check your internet connection. If you are having trouble uploading very large files (18-20MB), please try compressing your image slightly. If you have an unstable internet connection, a smaller image may help. Please note, the larger your image the better it will display on IMDb, so only compress your image if necessary.
Lastly, if you continue to have issues with your browsers or internet connection, if possible try uploading from a different computer at a different location (i.e. your home or work). While unlikely, there may be an internal setting within your computer or network which is interfering with the upload process.