So the laptop freezes, or the web pages take a long time to load?
If it's the first one, you likely have a program open that's hogging the CPU, and being a Toshiba Satellite it likely doesn't have a very good one, or much RAM. Ctrl+Alt+Del. and open Task Manager, go to the processes tab and sort by Memory, look for ones using a lot of memory. (Exclude svchost) Write a list of some that are taking up the most.
Also, Norton absolutely fucksucks when it comes to performance. It's well known for hogging your usage so if you paid for it legit, wait for your subscription to expire (or if you don't care) uninstall it. Download a free copy of AVG or Avira, or if you can find a premium key (PM if you can't) for Malware Bytes' Anti-Malware, use that. I use MBAM for the fact that it doesn't slow your PC down, has one of the best detection rates and has website blocking/filesystem protection so if it thinks a website may be dodgy, stops you access it (sometimes produces false positives so you can allow access to the site with a click of the mouse.)
If the web pages are taking a long time to load, then it's your connection. Are you using wireless? If so, try an ethernet connection if you can. Also, do a speedtest.net (let it find the server itself) and post it here.
Also on task manager, on the processes tab, at the bottom it should say:
Processes: X, CPU Usage: X, Physical Memory: X, let me know what they say.
Also, download WinDirStat:
http://downloads.sourceforge.net/project/windirstat/windirstat/1.1.2 installer re-release (more languages!)/windirstat1_1_2_setup.exe?r=http://windirstat.info/download.html&ts=1369838519&use_mirror=switch
It tells you what's taking up space on your hard drive. Could be a large hibernation or pager file clogging your hard drive and ultimately slowing everything down. Screenshot the results.
And stop deleting your cookies weekly. Cookies use very little space and unless you use IE they don't slow you down (unless you've never cleared them in like 10 years
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- they don't do any harm and can actually be of use.
If you want, PM or Skype me the results if you don't want them here.