Error : Updates are currently disallowed on GET requests. To allow updates on a GET, set the ‘AllowUnsafeUpdates’ property on SPWeb.

Once you create Mysite web application or any other web application and try to open general settings you might face below error:
“Updates are currently disallowed on GET requests. To allow updates on a GET, set the ‘AllowUnsafeUpdates’ property on SPWeb.”

Solution:

• Open sharepoint 2010 management shell
• Paste below code
  $w = get-spwebapplication http://Name_of_Your_Affected_WebApp
  $w.HttpThrottleSettings
  $w.Update()

  Done!