The following page contains a list of previously experienced problems and what you can do to solve them.
If you still have a problem, then your browser is pulling the document out of its cache instead of reloading the document, and it keeps displaying the old version of the document. To avoid this, set your browser to verify documents every time upon loading as follows:
Alternatively, try reloading the frame or refreshing the frame using your browser's command. Note that this is different from reloading the document (see the next problem).
If one specific tag does not work properly, check the Formatting page to be sure that you are using the proper tag.
If images still fail to load properly, contact a board moderator.