It is safe to leave the cocoon as it will survive. The cocoon is protection for the insect that is inside.
sory i don't know
You should get that fixed, someone might break in.
5 ~ 6 weeks
idi dont really know
It really depends on how far through the process the insect is. Do not break cocoons, for you will kill the organism inside it!
Ignore it, delete it, and definitely do not open it, because it can break your computer.
It is normal for a moth caterpillar to cocoon in dirt under a leaf. They cocoon under the leaf to prevent falling.
break it open and mix it in with some cocaine that should do the trick
don't break it. If you do open the windows.
You could break an appropriate window, open it and crawl in, or call a locksmith.
Cocoon