UserAgent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36

Steps to reproduce the problem:
1. Launch Chrome
2. 
3. 

What is the expected behavior?
Chrome application window appears

What went wrong?
Chrome window does not appear

Did this work before? Yes 57

Chrome version: 58.0.3029.110  Channel: stable
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: 

After launching Chrome the application window does not appear. If I fire up Sysinternals Process Explorer in tree view I can see one Chrome.exe process that has one subprocess. The subprocess command line is:

"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler /prefetch:7 "--database=C:\Users\hallr\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\hallr\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win32 --annotation=prod=Chrome --annotation=ver=58.0.3029.110 --initial-client-data=0x154,0x158,0x15c,0x150,0x160,0x6a967dec,0x6a967dfc,0x6a967dd0

Killing that subprocess seems to allow application startup to proceed--the Chrome application window instantly appears and things appear to work as expected.

You don't even need to actually kill that subprocess to get the desired results. If you look at Properties->Threads for that subprocess with ProcExp it terminates/crashes and the application window appears.