Nothing to be worried about. There is an easy solution to get rid off the lock screen of windows 10 in just a minute. This can be done using Local Security Policy in windows 10.
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In order to run the Local Security Policy:
Method to Disable Lock Screen
Press Windows-Logo + R to start run. And then type secpol.msc to start the Local Security Policy.
Select Software Restriction Policies > Additional Rules.
If you don't see the menu, select Action > New Software Restriction Policies to create it.
Now, Right-click on the right pane and select New Path Rule.
Under Path, paste C:\Windows\SystemApps\Microsoft.LockApp_cw5n1h2txyewy
Make sure the security level is set to Disallowed.
Click OK.
Its Done. Enjoy Now.............:)