Thank you for your advices! The .msi installer is really helpful. I can run the program now. -- Tong Huo Ph.D candidate College of Life Sciences Nankai University Tianjin, China At 2011-12-06 23:18:41,"Marcin Wojdyr" <[log in to unmask]> wrote: >2GB of memory should be enough. > >I'd start from checking that the downloaded file is not corrupted. >I've added md5 and sha1 sums to the directory with .msi installers: >ftp://ftp.ccp4.ac.uk/mww/ > >You can read how to check md5 sums for example here: >https://help.ubuntu.com/community/HowToMD5SUM#MD5SUM_on_Windows >http://www.openoffice.org/dev_docs/using_md5sums.html > >Let me know if the sums match. >Marcin > > >________________________________________ >From: CCP4 bulletin board [[log in to unmask]] on behalf of SUBSCRIBE CCP4BB Huo tong [[log in to unmask]] >Sent: Tuesday, December 06, 2011 3:26 AM >To: ccp4bb >Subject: Re: [ccp4bb] installation CCP4 on Win 7 > >Thank you for all your advices! >This time the window keeps staying on the screen. It says "Program too big to fit in memory". >My PC has 2G memory, and I wonder if this memory cannot satifiy the CCP4. >If so, I think I'd rather install it on other work station.