Network · high

How to fixWIFI_AUTOPREP_FAIL

WLAN AutoConfig Service Failed to Start (Error 1068)

What this error means

WLAN AutoConfig Service Failed to Start (Error 1068) is a high-severity network adapter issue. The WLAN AutoConfig service (Wlansvc) failed to start, causing all wireless network adapters to become unresponsive and preventing the PC from scanning or connecting to Wi-Fi networks. Typical causes include corrupt ndis.sys driver, disabled dependency services (e.g. Native WiFi Filter) and corrupt system registry. See the troubleshooting steps below for the fix.

Before you begin

Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.

Work through these checks

0 of 3 complete
01Start WLAN AutoConfig manually

Start WLAN AutoConfig manually.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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02Reset network stack using Command Prompt

Reset network stack using Command Prompt.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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03Enable WLAN dependency services in Services.msc

Enable WLAN dependency services in Services.msc.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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Possible causes

  • Corrupt ndis.sys driver
  • Disabled dependency services (e.g. Native WiFi Filter)
  • Corrupt system registry