System.ArgumentNullException: String reference not set to an instance of a String.
Parameter name: s
at System.Text.Encoding.GetBytes(String s)
at main.GetMd5Hash(String input) in c:\slidesclicker\main.aspx.vb:line 262
at ASP.account_aspx.__Render__control1(HtmlTextWriter __w, Control parameterContainer) in c:\slidesclicker\account.aspx:line 59
Account | SlidesClicker - Internet Clicker
SlidesClicker needs to be downloaded on the machine of host of meeting. From Slidesclicker websites, you can only control the presenters or manage your account.