Thanks so much, everything’s now fixed. For anyone else with the same problem, this post is what helped me:

“Hi there. I had the exact same problem. It turned out to be a problem with my LSP(layered service provider). You could try this solution. Download X-cleaner at
http://www.xblock.com/download-freeware.shtml and make sure you CHECK the box that says “verify/fix LSP” I hope this works for you, it worked for me. Good Luck!!!!!!!!”