If you are using 3.5 Extension in your website , you must pray that your hosting administrator , will not unistally 3.5 CTP preview and install 3.5 SP1 , everything will blow up, so here are the steps to solve that and let your old website works with 3.5 SP1 , which will be more faster than when we were using 3.5 CTP Preview : 1- Uninstall 3.5 CTP from your machine, 2- Download Full Package of SP1 (It will be faster from downloading 2.8 file ), size (237 MB): http://download.micros... [More]