User Account Control
or UAC for short is just an absurd and annoying Windows feature which may prevent automatization of some tasks. Looks like guys at Redmond never heard about sudo and were forced into reinvention of wheel.
You can disable UAC either manually by following this how-to or by running the script DisableUAC.bat
STEP 1. Open UAC settings
“Open”
STEP 2. Adjust slider position
STEP 3. Confirm action
Continue to the next step "Block Windows Update" after reboot