help database error (i am guessing)

I opened my openfire server today after the electricity when out over the weekend and I got this:

Database setup or configuration error: Please verify your database settings and check the logs/error.log file for detailed error messages.

java.lang.IllegalArgumentException: java.sql.SQLException: ConnectionManager.getConnection() failed to obtain a connection after 11 retries. The exception from the last attempt is as follows: java.sql.SQLException: The database is already in use by another process: org.hsqldb.persist.NIOLockFile@c69e02e3[file =C:\Program Files (x86)\Openfire\embedded-db\Eopenfire.lck, exists=true, locked=false, valid=false, fl =null]: java.lang.Exception:  java.io.IOException: The process cannot acces srror starting the server. Please check the log files for more information.

the file because another process has locked a portion of the file : C:\Program Files (x86)\Openfire\embedded-db\openfire.lck

  at org.jivesoftware.openfire.XMPPServer.verifyDataSource(XMPPServer.java:786)

  at org.jivesoftware.openfire.XMPPServer.start(XMPPServer.java:499)

  at org.jivesoftware.openfire.XMPPServer.<init>(XMPPServer.java:216)

  at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

  at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)

  at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)

  at java.lang.reflect.Constructor.newInstance(Unknown Source)

  at java.lang.Class.newInstance(Unknown Source)

  at org.jivesoftware.openfire.starter.ServerStarter.start(ServerStarter.java:105)

  at org.jivesoftware.openfire.starter.ServerStarter.main(ServerStarter.java:56)

  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

  at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

  at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

  at java.lang.reflect.Method.invoke(Unknown Source)

  at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)

  at com.exe4j.runtime.WinLauncher.main(Unknown Source)

  at com.install4j.runtime.launcher.WinLauncher.main(Unknown Source)

Caused by: java.sql.SQLException: ConnectionManager.getConnection() failed to obtain a connection after 11 retries. The exception from the last attempt is as follows: java.sql.SQLException: The database is already in use by another process: org.hsqldb.persist.NIOLockFile@c69e02e3[file =C:\Program Files (x86)\Openfire\embedded-db\openfire.lck, exists=true, locked=false, valid=false, fl =null]: java.lang.Exception:  java.io.IOException: The process cannot access the file because another process has locked a portion of the file : C:\Program Files (x86)\Openfire\embedded-db\openfire.lck

  at org.jivesoftware.database.DbConnectionManager.getConnection(DbConnectionManager .java:152)

  at org.jivesoftware.openfire.XMPPServer.verifyDataSource(XMPPServer.java:776)

  ... 16 more

Server halted