There are many answers to this question. The first step is normally a reboot, second, I would check witch task or service is taking up all the CPU cycles and check the system and error logs. The list goes on... I'm not sure how detailed you want to get.
D. Rise of NASA.Hope I helped.
Raymond should compress the files, and then at the very least ask what would be the appropriate time to email the attachment. It is important to practice good etiquette when using email. If you are sending an email that has attachments, always make sure to mention it in the body of the email. Raymond should also ZIP or compress his large attachments before sending them. This will make them easier to send.
Answer:
O =C3+10-E3
Explanation:
Only addition and subtraction :D