I have just deleted the .htaccess file and I have just got back in, will this doing anything.

I have tried that a nothing happens, I will delete everthing and try something else.

Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, webmaster@spyral-promotions.co.uk and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log.

I have just done a complete new install of Joomla 1.5.5 and Aecser and then Joomsef 3.1.2 and now I can't access the web site. I was thinking about buying the product but unsure now. Will I need reinstall everthing again.

Web site is www.spyral-promotions.co.uk.