polywogsys

When searching for available updates on the Update site, you receive the 0x800A0046 error.
This error can occur if the user logon account is part of the Guest accounts or a limited-user account, if the security descriptor does not allow have the Authenticated Users to run Windows Update, or if the Impersonate a client after authentication policy is missing Service and Administrators from the Users and Groups list.
1) Start -> Run
2) Copy and paste the following command
sc sdset wuauserv D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU)
3) rerun windows update