It is hard to say about problems. I think that administration of the project simply cannot find the best time for listing of tokens and can not announce about listing.
No need to look for a best time for listing. Need to do a project. If the project is in demand, the listing will be successful at any time.
Yes, in this situation, exchanges are not as important as in other projects, especially the listing time, it very much depends on the project itself, and the number of users of the antivirus, T, e needs to work on attracting new customers.
Listing on exchanges is very important part of ecosystem of the project. For users of the antivirus it must be simple to buy and sell tokens.