Okay so I have been getting this error msg when I turned on my computer, Explore.exe unable to locate component - This application has failed to start because SHDOCVW.dll was not found. Reinstalling the application may fix the problem. I ran AVG 7.5 which came back clear...No threats. I'm on windows Xp with Sp3 and recently down loaded PC tools threatfire firewall. Earlier today I was trying to down load some cool little cursor.. obviously a big mistake I knew better. The firewall keep asking me to quarantine the file and I think I did quarantine one. That's when this started. I was thinking that it may have quarantined this file and that might just need to reinstall the program. So my screen is now blank, no icons or start menu, I am able to get to the task window and it allows me to navigate from there. I've been searching for 5 hours for this file on line and finally came across this site. Luckily I found you before I did anything detrimental to my computer. I now know that my anti-virus program is out of date. So I attempted to update. Did not work! I uninstalled 7.5 and downloaded 8.0. It seemed to work but now it won't let me into AVG at all. I hope that I have provided enough information! Please help...I am out of ideas!