Should I ignore the occasional Invalid viewstate error?

Question

Every now and then (once every day or so) we\'re seeing the following types of errors in our logs for an ASP.NET 3.5 application

• Invalid viewstate
• Inv

Answer 1

Update: Microsoft announced that the following bug fix for IE 8 fixes this problem:
http://blogs.msdn.com/ieinternals/archive/2010/04/01/IE8-Lookahead-Downloader-Fixed.aspx