I bought this extension a week ago. after uploading all the product, I started to get around this software. after installing the Free version from Connect manager, I cache like 5 to 6 pages and I was happy with the performance yesterday.

this morning while editing one of the product the admin got stuck on the same screen for 10 min and then I got this error:

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator and inform them of the time the error occurred, and the actions you performed just before this error.

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

Apache Server at sciencellonline.com Port 80
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I refreshed the page, and it logged me out of the system. after logging in it gave me same error.

Please Help,

we are launching this site in few weeks