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Windows won’t go Sleep, Legacy Kernel Caller

If the display of your Windows 10 computer turns on all of a sudden no matter how put it to sleep over and over again, it always wakes up, read on as this post will guide you in resolving this peculiar issue.

In case you don’t know, the Windows 10 computer Sleep state is made in such a way that if it’s really important, it wakes up. You may have configured this kind of behavior or there could be some hardware component that’s interrupting its Sleep state. Thus, this post will give you some troubleshooting tips to fix the Sleep state issue caused by the Legacy Kernel Caller. The Legacy Kernel Caller points to the external hardware that’s causing your Windows 10 to wake up even when it’s in a Sleep state.

Step 1: Find out what’s keeping your computer from going to sleep.

To figure out what really is keeping your computer from going to sleep, you can execute the “powercfg –requests” command instead of checking the power configuration of your computer. This command will look for requests from applications and drivers that prevent the computer from turning off the display or from going to sleep.

To execute the command, simply open Command Prompt and type “powercfg –requests” and hit Enter. After that, you will see part of the result that looks like this:

“SYSTEM

[DRIVER] USB AUDIO DEVICE

An audio stream is currently in use

[DRIVER] Legacy Kernel Caller.”

Step 2: The next thing you have to do is remove all the external hardware connected to your computer.

In this step, you have to disconnect external hardware from your computer. Based on reports from users who experienced the same issue, the “TV card” is the culprit so make sure you remove that one. Once you’ve removed it, open Command Prompt and run the “powercfg –requests” command again and you’ll see that the “Legacy Kernel Caller” will no longer be on the list. In addition, your computer will get into its regular sleep mode once the hardware is removed. Once you do that, the driver gets hung and won’t release the power request despite being used.

Step 3: Try using the request override option

The powercfg command also offers a request override option which allows users to disable the requests from applications and services to wake the computer from sleep mode. To run this command, simply open Command Prompt with admin privileges. After you open Command Prompt, type the following command and hit Enter to disable requests from applications and services that causes the computer to wake from sleep state.

Powercfg -requestsoverride Driver "Legacy Kernel Caller" System

Step 4: Check the streaming and media applications

You also have to check if your computer is running an audio or video service in the background. In such cases, your computer won’t be able to go to sleep mode if these services are running in the background. You might have noticed that when you play a video or audio, your computer never goes to sleep. And if you have put it to sleep in between watching the video, then it’s probably why your computer is waking up. Thus, you have to stop these services.

Step 5: Check the devices that can wake your computer

If you didn’t see the Legacy Kernel Caller in the result after you execute the ”powercfg –requests” command, then you can try to execute the following command instead.

powercfg –devicequery wake_armed

After you enter this command, it will give you a list of all the devices that can wake your computer. So if there is anything other than the mouse, keyboard, touchpad, you have to check the power configuration of that device. To do that, go to the Device Manager and disable the device’s “Allow this device to wake the computer” option in its Properties

Step 6: Check the Sleep Advanced Settings

  • Click on the Windows key and type “control panel” in the field and select the related search result.
  • Next, select the Security and Maintenance option and click on the Power Options.
  • After that, you have to select the Change Plan Settings but keep in mind that this option is barely readable so you need to read each option carefully.
  • Now click on the Change advanced power settings button and a new window will appear.
  • Then look for the “Sleep” option and expand it. Make sure that the “Allow hybrid sleep” option is on.
  • Reboot your computer and check if your computer now functions properly. If it still didn’t work, you may have to reverse the changes you’ve made.

On the other hand, you could also run the Power Troubleshooter to resolve the Sleep state issue. This built-in troubleshooter will automatically fix any power-related issues in your computer.

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One or more Network Protocols are missing
Windows 10 users a set of rules or standards called Network Protocols in communicating over the internet. These protocols are the ones that made sure that the data is correctly sent between computers. However, if any of the Network Protocol is missing in your Windows 10 computer, then you will most likely encounter a problem like not being able to browse the internet, or share files. For this, you can try to run the Incoming Connections troubleshooter: As you were not able to connect to your internet connection using your PC, you can try to run the Incoming Connections troubleshooter as it might resolve the problem. Refer to the following steps to run this troubleshooter:
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Option 1 – Try to update or rollback or uninstall the Network drivers

You might also want to update, roll back, or disable your Network drivers to fix the “This operation failed as no adapter is in the state permissible for this operation” error.
  • Tap the Win + R keys to launch the Run window and then type in the “devmgmt.msc” command and hit Enter to open the Device Manager window.
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Option 2 – Try to reset Winsock, TCP/IP & Flush DNS

You might also want to try resetting Winsock, TCP/IP, and flushing DNS might help you resolve errors. To do so, follow these steps:
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  • After that, execute each one of the commands listed below. And after you typed in one after the other, you have to hit Enter.
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  2. netsh int ip reset resettcpip.txt – type in this command to reset TCP/IP
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Option 3 – Diagnose the Network Adapter

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Option 4 – Try to perform Network Reset

You can also try to perform a Network Reset to resolve the problem. This will reset the entire network configuration including your IP address. To perform Network Reset, follow these steps:
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Option 5 – Try importing Winsock settings from another computer

If resetting Winsock or the Network didn’t fix the problem, then you can try to import settings from a computer that’s in good condition. You need to have access to the registry to get this done and then export and import a couple of settings. Refer to these steps to get started:
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Option 1 – Try to run the System File Checker

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Option 3 – Try to disable Automatic Restart

There are instances when the computer crashes and the system restarts itself. This is actually by design – when your computer has been left on standby, the computer will restart and if the program repeats, it will keep on waking your PC up.
  • In the Search bar, type in “system”.
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Note: Aside from the keyboard and mouse, if you are also using any gaming rig to play games on your computer, then you might have to disable their power options as well as they could also wake your computer. Just make sure that either the keyboard or the mouse has the ability to wake your computer up at the very least as it can be quite inconvenient to tap the Power button every time you want to turn on your computer.

Option 5 – Modify Wake On Lan

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  • Tap the Win + x keys then hit M to open the Device Manager and then under the Network adapters, look for the one that was listed above. Take note that you must not change anything with the ones that are listed as Miniport.
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  • Launch Internet Explorer.
  • Next, click the wrench icon for Settings.
  • Then click Internet Options.
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Windows installation stuck on Set up a Pin
After you fresh install Windows 10 on your computer, it allows you to set up a PIN just before you can start using it. However, a number of users reported that the Windows 10 installation gets stuck on the “Set up a Pin” phase. If you are one of the users who experience the same thing, then read on as this post will walk you through fixing the problem. As users start to use their newly installed Windows 10 computer, they reported that the screen is still stuck even after they enter the correct PIN twice and there is no way for them to go forward or backward. Note that this is a part of the account setup and that your computer must stay connected to your internet connection before you finalize everything. And even though the PIN works when the computer is offline, the account setup still needs an internet connection, at least for a fresh installation. The solution for this kind of issue is quite easy and there won’t be any problem even if your computer shuts down or restarts since the installation is already complete and all that’s left is the account setup. To fix this problem, follow the steps given below. Step 1: The first thing you have to do is to turn off your internet connection or disable all connectivity from your computer. Note: If you are using either an Ethernet cable or a Wi-Fi switch to connect to the internet, you have to disable or remove them. But if you don’t have any options, just completely turn off your internet connection. Step 2: The next thing you have to do is to force your computer to shut down and then restart your computer. The setup process will eventually pick up exactly where it left off. The only difference is that there is no connection to the internet and your screen will no longer be stuck on the PIN setup screen so you now have the option to skip it and wait until you’re logged in for the first time. Step 3: Once you’re done, you can then you can choose to Setup Pin later on and turn your internet connection back on or connect your computer with an internet connection.
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Fix 0xC000007B STATUS INVALID IMAGE FORMAT
If you are trying to open a program or a game but you suddenly see a dialog box with a message stating that the application was unable to start correctly along with the Error Code 0xC000007B , STATUS INVALID IMAGE FORMAT then this indicates that the application is not compatible with the architecture of your Windows 10 computer or is missing dependencies. Although error code 0xC000007B can also occur with other various programs, the STATUS_INVALID_IMAGE_FORMAT error code also means that when you try to run an application that’s designed to run on a 64-bit system and hence gets into a termination state. In addition, if you are also pointed to the NTStatus.h file then it means that the error might be caused by some file corruption. Here’s the full context of the error message:
“0xC000007B | STATUS_INVALID_IMAGE_FORMAT | {Bad Image} %hs is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact your system administrator or the software vendor for support.”
When you see this error message, the first thing you can do is to click on OK to close the application and then try installing the media again to see if it fixes the issue. If not, then you can check out the suggestions given below.

Option 1 – Try installing the application with admin privileges

The first thing you can do to fix the error is to restart your Windows 10 computer and then try installing the application again and this time with admin privileges. Just right-click on the application and select the “Run as Administrator” option. And if your account is a regular one, you need to make sure to ask an admin to help you in installing the application by entering the password when you are prompted to do so.

Option 2 – Install and update Dependencies

There are times when programs and applications need to have drivers and supporting software installed for them to properly work. Although the installation usually takes care of it, it’s time for you to do some manual checks especially if you are getting this issue of abnormal program termination.

1. Install some qualified drivers

A number of high-end games and applications need to have correct and valid drivers for them to work. They just don’t work with general drivers though. Microsoft has this Windows Hardware Quality Labs testing also known as WHQL testing which makes sure that drivers meet the correct experience and pass through the proper testing before certification. Thus, when installing drivers, you need to ensure that they are qualified drivers for your Windows 10 PC.

2. Download and install or update DirectX

As you know, Microsoft DirectX is a suite of technologies developed by Microsoft to provide hardware acceleration for heavy multimedia applications like HD videos and 3D games. Since you are using Windows 10, you have the DirectX 12 version while the earlier Windows versions use the DirectX 11 version.

3. Install the Microsoft DirectX End-user runtime

The Microsoft DirectX end-user runtime gives updates to version 9.0c as well as previous versions of DirectX. To install it, click on this link and download it.

4. Update or install the .NET framework

The .NET framework is used by games and applications during development which means that without the runtime files that are installed in your computer, it definitely won’t work. Thus, you need to install or update this framework. You can also use the .NET setup verification tool to verify it.

Option 3 – Try running the System File Checker Scan

The SFC or System File Checker scan could detect and automatically repair damaged system files that could be causing the Error Code 0xC000007B , STATUS INVALID IMAGE FORMAT error. SFC is a built-in command utility that helps in restoring corrupted files as well as missing files. It replaces bad and corrupted system files with good system files. To run the SFC command, follow the steps given below.
  • Tap Win + R to launch Run.
  • Type in cmd in the field and tap Enter.
  • After opening Command Prompt, type in sfc /scannow
The command will start a system scan which will take a few whiles before it finishes. Once it’s done, you could get the following results:
  1. Windows Resource Protection did not find any integrity violations.
  2. Windows Resource Protection found corrupt files and successfully repaired them.
  3. Windows Resource Protection found corrupt files but was unable to fix some of them.
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