After switching on my pc , a weird message pops up on the screen .

[D K A 21]

https://drive.google.com/open?id=0BxaaiTnXs3KOLS1WbkNMc1Mza1E

After powering up and switching on my pc the above message pops up on my screen . What is this ? Is there something wrong with my computer ?

 

[Colif]

Used by developers for debugging and is a component of several MS products including Office and Visual Studio.

http://www.pacs-portal.co.uk/startup_search.php

Mdm.exe is the Machine Debug Manager, which is used by the Windows NT Option Pack and Microsoft Developer Studio to provide application debugging. When Script Debugging is enabled for Internet Explorer 4.0, the debug manager is initialized whenever Internet Explorer 4.0 is started. The Machine Debug Manager runs as a service and is loaded when your computer starts.

https://www.neuber.com/taskmanager/process/mdm.exe.html

how to turn it off: https://support.microsoft.com/en-us/help/321410/how-to-turn-off-machine-debug-manager-in-office-xp



MDM.EXE Information - Identified by Kaspersky Antivirus as a variant of the Backdoor.Win32.SdBot.aad worm and IRC backdoor.

https://www.bleepingcomputer.com/startups/mdm.exe-19149.html

might help to run an antivirus scan and malwarebytes