Lightroom 5.5 won't launch

updated Lightroom and Photoshop to the latest and greatest today, June 18th. Installation of each went without any incident. Photoshop CC2014 works fine. LR 5.5 won't launch either by double clicking on desktop, from the programs folder or running as administrator. Have logged out of Creative Cloud and back in with no luck.
LR won't run on either laptop or desktop. If i try double clicking on the catalog itself, nothing happens either.
Ideas please.

***** FIXED IT *******
So it looks like if you update LR via the CC menu bar it causes this issue!
I had to downgraded to 5.4. Once I started 5.4 a window came up asking me to Update (I figured I'd give it one more go) Downloaded 5.5 from this link Adobe - Lightroom : For Macintosh : Adobe Photoshop Lightroom 5.5
Once installed it worked great! I had the splash screen fail on two Macs and they both work great now! So stay away from the CC update windows!!

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Hi everyone,
My name is Janyne and I was hoping someone here could help me with a problem I am running into with Lightroom 1.1 on a mac G4 osx 10.5.8. I have installed this old version of lightroom because my computer doesn't have intel and i needed the older version in order for it to work on my very old computer.
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You need to reinstall iPhoto as it's missing bits of itself.
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lightroom.exe
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Fault Module Name:
libcef.dll
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c000001d
Exception Offset:
00000000020f5fa3
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1033
Additional Information 1:
1849
Additional Information 2:
1849c65267ce2967d89f315e1c3c4b82
Additional Information 3:
95b7
Additional Information 4:
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Reïnstall?
Message was edited by: TMAR

im having a mail problem too. i have a multiple yahoo mail accounts and every single one of them wont work. i keep getting this "the user name or password for "imap.apple.mail.yahoo.com" is incorrect." so i deleted my accounts and re-entered them. and the same message came up. i've re-typed the information many times throughout the day and it didnt work. i tried a different account and the same happened. then i tried my gmail account and that didnt work. yours sounds worse than mine, though. im not having mulitple languages. i hope you can figure it out = ]

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Lightroom 5.5 won't launch

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