Is your computer laggy? Sometimes lag makes wall-jumping fail. Does this mean you can't beat level 1-5?

So I'm playing through the game on PC (bought via a Humble Bundle)and am just playing through, concentrating on beating all the light world levels first, and I've come across a snag in level 3 of 'the end'.
Now, this isn't me just getting frustrated and having difficulty with it. At the beginning of the level there are 2 rotating saws which you have to manoeuvre around to collect the keys you need to finish the level. Only thing is, I noticed after looking up some youtube videos that said saws are moving much faster than they are on the youtube vids.
My first thought that maybe it's something that was changed for the PC version, although it seems like it might actually be impossible for me to get past (I have tried this level 200+ times already, easy).
Has anyone else experienced the same, or similar problem? Help! 

i was dissapointed that it was more about the "personal journey" than it was the process. Every artist has a deeply personal journey, so this served as white noise for me. I guess for a casual audience this is what they wanted, the film is definitely successful. Just, I would have liked to see this more as technical perspective and less as a window into your personal lives.

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Hello,

When I try to jump up a stand alone wall, it does not work.
What happens is I run at a wall my right button pushed down and start jumping, what happens is it does a normal wall jump (the one you do between to walls) and then turns around and lands you in exactly the same place. Also, I tried to do it exactly the same way as I did in meat boy but it didn't work. HELP! 

This isn't really a glitch, but it helped me so much to get the last bandage on the 3rd level. Basically there is a hidden bandage girl off screen, and I got the bandage but I accidentally flew off screen and I hit this "off screen bandage girl" and finished the warp and got the bandage. I just though it was kind of cool.

Bump !
Ignore my previous post.
Also now the green map is always happening , also sometimes when i run SMB it closes at the start without any pop-up or anything.

Aww 

[tl;dr]

Uploading to Super Meat World has been disabled for over a year.

tl;dr It's because of script kiddies on Facepunch and Something Awful.

Amen.