Windows computer wakes from sleep automatically

Do you find that your Windows 10/8/7 computer wakes up from sleep unexpectedly at a particular time every day? If so then you might need to check up if any scheduled tasks are waking your PC up.

Windows computer wakes from sleep automatically

To find out which program last woke your computer, you may open CMD, type powercfg /lastwake and hit Enter. It will show you what last woke your computer.

Next, you will have to open Task Scheduler. To do so, type Task Scheduler in start search and hit Enter. Expand Task Scheduler Library.

Check here to see if any programs are scheduled to perform the task which requires your PC to be woken.

Many times, the Windows Media Center automatic update function is found to be the culprit.

To check this, expand Microsoft > Windows > select Media Center > mcupdate_scheduled

Double click mcupdate_scheduled to open its Properties box.

Edit the trigger and from the drop-down menu, select when you want to Begin the task.

You may select it to check only at Windows startup.

Click OK/Apply/Exit.

If you do not wish to fix it manually but would instead like Microsoft to Fix It for you, so that  Windows Media Center checks for updates only at, say, logon, then download and apply the Fix It 50448 solution.

This Fix It solution will enable the update check at log on only.

This Fix it wizard may be in English only, but it also works for other language versions of Windows 7.

This post shows additional ways on how to Prevent Computer from waking up from Sleep.

Also see:

  1. Windows 10 computer turns on by itself
  2. Sleep Mode is not working in Windows.
  3. Windows 7 does not go to sleep
  4. Wake up computer from Sleep, at a particular time
  5. Windows will not wake up from sleep mode
  6. Windows 10 goes to sleep automatically.
Posted by on , in Category Windows with Tags
Anand Khanse is the Admin of, a 10-year Microsoft MVP Awardee in Windows (2006-16) & a Windows Insider MVP. Please read the entire post & the comments first, create a System Restore Point before making any changes to your system & be careful about any 3rd-party offers while installing freeware.


  1. Jules César

    Thanks man, this is exacctly what I was looking 4. Congrats!

  2. morn0

    thanks bud!

  3. 84guy

    awesome. thanks

  4. mich

    I cant find the Media Center ;n;

  5. RohMin

    i’m not found ‘media center’ on task scheduler;;;

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