Comment 6 for bug 1172533

I think I have the same problem. It only started recently, but now I cannot commit at all.
Win7 x64, have tried 2.5.1 and 2.6b1

Thu 2014-02-13 14:42:40 +1100
0.084 bazaar version: 2.5.1
0.084 bzr arguments: [u'cism', u'v0.8 Added *.sdr files, LAN Updater']
0.085 looking for plugins in C:/Users/Sam/AppData/Roaming/bazaar/2.0/plugins
0.085 looking for plugins in C:/Program Files (x86)/Bazaar/plugins
0.143 encoding stdout as sys.stdout encoding 'cp850'
0.204 opening working tree 'C:/Users/Sam/Documents/IT Support/AHK Dev/Projects/Check SDR33/source'
29.337 Transferred: 0kB (0.0kB/s r:0kB w:0kB)
29.337 Traceback (most recent call last):
  File "bzrlib\commands.pyo", line 920, in exception_to_return_code
  File "bzrlib\commands.pyo", line 1131, in run_bzr
  File "bzrlib\commands.pyo", line 673, in run_argv_aliases
  File "bzrlib\commands.pyo", line 695, in run
  File "bzrlib\cleanup.pyo", line 136, in run_simple
  File "bzrlib\cleanup.pyo", line 166, in _do_with_cleanups
  File "bzrlib\builtins.pyo", line 3678, in run
  File "bzrlib\decorators.pyo", line 216, in write_locked
  File "bzrlib\workingtree_4.pyo", line 646, in lock_write
  File "bzrlib\branch.pyo", line 2529, in lock_write
  File "bzrlib\lockable_files.pyo", line 164, in lock_write
  File "bzrlib\lockdir.pyo", line 674, in lock_write
  File "bzrlib\lockdir.pyo", line 642, in wait_lock
LockContention: Could not acquire lock "(local)": file:///C:/Users/Sam/Documents/IT%20Support/AHK%20Dev/Projects/Check%20SDR33/source/