network problems after computer wakes from sleep

vista x64
google chrome but same with IE9

had lots of trouble with chrome's "opps this page cant be found reload etc", finally got it sorted by following instructions on line and unchecking"Predict network actions to improve page load performance"
and "Use a web service to help resolve navigation errors",

this improved chromes performace



but another problem has developed
when ever the computer switch's off into sleep mode , once back on i have loads of issues browsing the web, slow connection, some pages not loading etc
it doesn't matter which browser i try
its not my connection as my tablet and mobile phone over wifi have no issues
The only way to resolve this is to restart my PC
If i diagnose problems after sleep it says"windows found a problem that cannot be repair automatically"
But if i run the same thing after a restart it finds no problems
 

My Computer

The easy solution for this is to scan with your anti virus
Download and scan with Malwarebytes
If nothing is found, go back to a week before the problem with System Restore.
 

My Computer

System One

  • Manufacturer/Model
    Dell XPS420
    Memory
    6 gig
    Graphics Card(s)
    ATI Radeon HD3650 256 MB
    Sound Card
    Intergrated 7.1 Channel Audio
    Monitor(s) Displays
    Dell SP2009W 20 inch Flat Panel w Webcam
    Hard Drives
    640 gb
    Cooling
    Fan
    Keyboard
    Dell USB
    Mouse
    Dell USB 4 button optical
    Other Info
    DSL provided by ATT
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