Joomla Upgrade, stuck on checking and cleaning

Question

i am trying to upgrade joomla from 1.5 to 2.5.2 but it stucks on Checking and cleaning...

i am using google chrome,

My Problem Screen Shot:http://imageshack.us/photo/my-images/191/1xkr.png/

i have also tried the solution from here jUpgrade Extension stuck during the update to Joomla 2.5.8 but didn't worked.

please help.

Answer 1

I have found very useful information please follow these steps to upgrade joomla.

1- CURL must be enabled, which was my originally error. 
2- Go to the administrator panel and set the temp path to /tmp
3- Enable the Gzip 
4- Upload and install. com_jupgrade-2.5.2 file. 

enjoy!.