Webpage displayed in Incognito, not in regular Chrome

Question

So i have been running into this problem with a lot of Wordpress sites lately, usually occurring when i am logged in as Admin, so i couldn't post here because no one would be able to view the problem. However, i just found a site that it happens on that doesn't require admin creds.

http://www.otisports.com/ 

When i visit this site in Chrome (Version 34.0.1847.137 m), it just displays a blank page. No errors, just the (what now seems standard) event.returnValue is deprecated. Please use the standard event.preventDefault() instead. warning. I have seen that warning signify problems on the site, but they are usually minor, not to the extent that the above URL displays. However, if i open an Incognito window and visit the site everything works perfectly and there is no warning. Does the Incognito window deal with webpages in a way that is so entirely different that it would cause something like this to happen?

I have been racking my brain trying to figure this out. Can anyone reproduce this? is it a bug in chrome?

EDIT: I just tried to open a bounty on this question and the EXACT same thing happened. In Regular Chrome, nothing happened when i clicked the start a bounty link and i saw various errors Undefined is not a function however in incognito everything worked perfectly. what gives?!

EDIT: Yes, i have cleared the cache, history, cookies, everything, and i still get the same errors. I cant even post a comment on this question because of errors...

Answer 1

I came across the same issue when trying to open evernote.com. It loaded successfully while using incognito mode in chrome. Let me share how I fixed this even though the original post is way too old. But maybe someone can find it useful.

I'm using chrome (Version 73.0.3683.103 (Official Build) (64-bit)) running on Linux Ubuntu 18.04.2 LTS.

I tried disabling all extensions and clearing browser data/cache but nothing worked. PS: Disabling adblock previously worked for me. Yes, I stumbled over the same issue before and whitelisting evernote in adblock solved the issue. But it didn't now.

The following is what worked for me:

1. Open developers tools (CTRL + SHIFT + J).
2. Navigate to Applications tab.
3. Choose Clear storage from the side menu
4. Hit Clear site data button.

Answer 2

After reading the comments I dug into chrome and saw there was a bunch of extensions still sitting around that were definitely malware and I thought I had previously deleted. Instead of picking through them one-by-one, I just deleted everything, re-installed Chrome, and now everything works great!