Hi all, a new version of the dogecoin client has been released, be sure to update.

Copied from the Reddit post:

Downloads

• Windows
• Mac OS X
• Source on Github

Highlights

• Updated code base to Litecoin 0.8.6.2 (inherits all Litecoin updates since 0.6.*). Highlights include:
  • New database engine for block storage resulting in faster index/sync times
  • Implements txindex, reindex and walletnotify
  • Coin control options for advanced users
  • Overall increased stability
  • A range of security fixes
• Graphical tweaks, including splash screen
• New official DNS seed added (seed.dogecoin.com) for improved sync times
• Updated PROTOCOL_VERSION for better node detection
• New alert keys to allow for network-wide alert notification in future

You can find the complete post and trouble shooting information here.