Online service support
If you using the online validation service then the the results explained should help you to interpret the results pages that are produced. If you don't understand the options then the the options should help you. Finally look at the general issues to see if this helps.
If none of the above answers your question, or you have a problem with the online service then complete the feedback form, ensuring that you enter a valid email address that you can be contacted on.
topDesktop tool support
For help with the desktop tool you should first of all start with the help built into the tool.
If the built-in help doesn't answer your question then try tool issues for more information.
If you have an undocumented problem with running the tool then complete the feedback form, ensuring that you enter a valid email address that you can be contacted on.
Firefox extension support
The Firefox extension uses most of the validation options as the online service, including screen shots. Just right mouse click the 'TV' icon or toolbar button, or select 'Total Validator Options' from the Firefox Tools menu to set the options you wish to use.
If you are having problems then check out the information in extension issues to see if this helps. Finally if all else fails then complete the feedback form, ensuring that you enter a valid email address that you can be contacted on.