Dreamweaver CS4 hangs at “Initializing Extension Data”

Posted: January 6, 2011 in Uncategorized

I found today my Dreamweaver CS4 hanging at the “Initializing Extension Data” startup screen. The resolution I found was to delete the site cache at “C:\Users\[user]\AppData\Roaming\Adobe\Dreamweaver CS4\en_US\Configuration\SiteCache”. I’m running Windows 7 on a domain so your path may vary a little.

After restarting Dreamweaver it updated the site cache and started working again.

I think it may have freaked out on a large cache after I deleted the actual folder.

  1. Andy says:

    I tried going to me \Adobe\Dreamweaver CS4\en_US\Configuration\ and there was not file names \SiteCache\ even when I made all hidden file viewable. Do you know what other file folder it might be stored in? I did a search in the Dreamweaver folder and there are \Cache\ folders but nothing in them that shows anything that looks like what I worked on last. Ohh my dreamweaver stalled on the same screen you got stalled on and then ended up “not responding”?

    • Chris says:

      @Andy – I remember seeing about four different reasons why it would hang on that screen. Your issue may be different than a site caching issue. Search Google for “Dreamweaver CS4 Initializing Extension Data” and you should find a few different ideas.

  2. Tim says:

    The file to delete is WinFileCache-xxxxxx.dat and path may well vary. In my case it’s:
    c:\Documents and Settings\[username]\Application Data\Adobe\Dreamweaver CS4\en_US\Configuration\WinFileCache-[numbers and letters].dat

  3. sdfor says:

    Thanks, I had the same problem cs4
    the directory on XP is:
    c:\Doucments and Settings\ [ user ] \Application Data\Adobe\Dreamweaver CS4\en_US\Configuration\SiteCache

  4. Allan says:

    Just had this problem with CS3, this solution fixed it.

  5. Lisa says:

    yep. that was it. Thanks!

  6. Geoff says:

    Thank you – worked like a charm for ADW CS5!
    Much obliged.

  7. C says:

    Thanks a ton!

  8. frank zamarripa says:

    Worked for me too , running Win7 Pro 64bit

  9. gcmax says:

    I’m using remote files so this doesn’t work for me.

  10. Donkzilla says:

    Halfway worked with CS4. Next problem was Dreamweaver kept getting stuck around 20% of the way through updating site cache, 16GB RAM on my Alienware laptop couldn’t cope with the job. I’ve used Dreamweaver for many years, I shall be using Netbeans (which is free) from now on.

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