Add punctuation: What happens is that while watching videos you might unintentionally delete the video files
A: What happens is that while watching videos you might unintentionally delete the video files.

Add punctuation: The accommodation was perfect for us Centrally located quiet have breakfast in the morning sun a comfortable bed all available
A: The accommodation was perfect for us. Centrally located, quiet, have breakfast in the morning sun, a comfortable bed, all available

Add punctuation: The Windowskey may sometimes get in your way depending on how you use the Windows operating system
A:
The Windows-key may sometimes get in your way depending on how you use the Windows operating system.