Unusual Steam Crash after Update.

After an update yesterday, Starting steam, I get this error:

Any ideas guys?

You’d have to ask Steam support.

https://forums.steampowered.com/forums/showpost.php?p=11778442&postcount=41

I dunno if you’ve already seen this, I just used google :retard:
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Founded in 2004, Leakfree.org became one of the first online communities dedicated to Valve’s Source engine development. It is more famously known for the formation of Black Mesa: Source under the 'Leakfree Modification Team' handle in September 2004.