Answers:
To be honest try
http://www.memtest86.com/ If that does not work do a strong drive theory test:
http://support.wdc.com/download/... the facts lifegaurd experiment. Make sure adjectives the drivers are upto date. You might also involve to create sure the cd is verbs and the cd-rom is verbs. How are you installing? Download from the internet?
Do specify what u be trying to install. Normally PCs do not receive stuck when u install anything. It might be trying to modify some internal protected folder.
Be well thought-out while installing anything downloaded from the internet. Scan it using the best antivirus software and next install it.