he installation process I had been going through.Were there any mistakes during the process of the installation?
maybe too much wear on the modification moduleIf there is no useful data, reinstall the whole site using only files from distributive (no additional mods and hacks)
Htaccess? In the folder where?In the root of your site
I use a hosting a pretty reliable, although I admit, hosting is freeAsk support of the hosting weather have they support of the .htaccess or not (do it first of all)