Windows 10: I have been getting this message for about a month now, it pops up only when computer boots...

submitted by /u/EsauceE69
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:)

 

Get an unwanted pop up window repeatedly.

Hi Ravindra,

I realize that you get an unwanted pop up window repeatedly. I will try to help you with this issue.

Please answer these questions to get more clarity on this issue:

• 
  Did you make any changes to the PC after which you are facing this issue?
  
• 
  When exactly do you get this pop up window?
  
• 
  What is the exact message that you see in that pop up window?
  

You may boot the computer in a clean boot state and check if the issue persists. A clean boot will help us determine if any 3rd party application or service is causing this issue.

How to troubleshoot a problem by performing a clean boot in Windows:
http://support.microsoft.com/kb/929135

Note: After you have finished troubleshooting, follow the steps under “How to reset the computer to start as usual after troubleshooting with clean boot” in the article to boot to normal startup.

Keep us posted to help you further.

 

Unable to boot the computer.

Hi Samid,

Thank you for posting your query on Microsoft Community.

Before we proceed, we would require more information to assist you further.

• 
  What is the make and model of your computer?
  

I suggest you check if you are able to boot into Windows Recovery Environment using installation media. Follow the steps provided below and check.

• • Insert the installation USB and boot Windows 10 from it.
  • In the ‘Windows setup’ page select the ‘language to install’, ‘Time and currency format’ and the ‘keyboard or input method’ and click on ‘next’.
  • Click on ‘Repair your computer’ and select ‘Troubleshoot’.

Check if you are able to boot to this window. If you are unable to boot to this window, I suggest you to contact the manufacturer and check.

Hope this information is helpful. Reply us with this information to assist you further.

Thank you.

 

Startup repair not working after "Default boot device missing" message

Hi Adam,

Corrupted boot system files is one possible cause why you're getting an error message after running the startup repair. Before we proceed, I'd like to know if you have made any changes prior to the issue.

Meanwhile, I would suggest that you boot from Windows 10 installation media in a removable storage device, flash drive, or DVD and access the Advanced option. To do this, follow the steps:

• Insert the USB or flash drive to your PC and restart.
• The Windows Setup screen will pop-up, select language and click Next.
• Choose Repair your computer.
• Select Troubleshoot.
• Click on Advanced options.
• Choose Command Prompt and enter the following commands:

bootrec /scanos

bootrec /fixMBR

bootrec /fixBoot

bootrec /rebuildBCD

• Restart PC and check if there are any changes.

Update us with the results.