Problem in using SEO URLs, it gives 404 error

[neal99]

I Used SEO URLs for convering my cart path into html;

but when i Enable it .. my index page is work...n clicking any link of this page it give html path but this path occurs 404 error ....

what can i do for solving this problem .....

my demo site is http://marketraise.us/demo/tonerrefillstore/

[schoolboy]

Do not waste your time with SEO modules.

You do not need them.

http://www.zen-cart.com/forum/showthread.php?t=149824

[g1smd]

There are many advantages in using them - but only if they are very well designed.

URL canonicalisation is the single most important reason, and chucking millions of keywords into the path part of the URL is the worst possible reason for using one.

Pages of a site do not need a .html extension. Using extensionless URLs for pages has many advantages, not least 'hiding' the type of technology that generates your pages; and allowing you to change to a completely different system without having to change any of the URLs that are used to access your content.