Hi all,
I have developed new version of extension for Chrome but can not update it properly.

In detail: I have developed new version of an obsolete Chrome extension and packaged it (using private key). After that I have installed extension. So far so good. But after restarting Chrome I have found that my extension's files are removed. Extension is still present in the list of Chrome's installed extensions (chrome://extensions/), but all files (that were placed into "C:\Documents and Settings\<username>\Local Settings\Application Data\Google\Chrome\User Data\Default\Extensions\<MyExtensionID>" folder during installation of extension) are removed.

I guess it is some problem with signing extension with private key (because there are no such problems if I delete 'id' field from manifest.json and package new version of extension without private key)

What can be wrong? Any ideas would be greatly appreciated!

Google Chrome version: 4.0.249.30 (33928)
Operating System: Windows XP Profesional SP2