broke my GWorkspace...

[Gaël Elegoët]

Hi, 
Think I've broken my GWorkspace install .
When I open it , I get the main menu ok, but can't open any viewer
window , can't open the preferences.
This shows up in the terminal :

~$ GWorkspace
2015-10-09 08:43:23.133 fswatcher[4138] register client 2
2015-10-09 08:43:23.706 GWorkspace[4132] Font not found Helvetica-Bold
2015-10-09 08:43:23.709 GWorkspace[4132] Font not found
Helvetica-BoldOblique 2015-10-09 08:43:23.747 GWorkspace[4132] Problem
posting notification: <NSException: 0x12459300>
NAME:NSInvalidArgumentException REASON:Tried to add nil value for key
'Root_PC' to dictionary INFO:{HomeDirectory = "<NSImage:
0x12425cc8>"; } 2015-10-09 08:43:24.335 GWorkspace[4132] Unable to
0x12425cc8>obtain lock (null) 2015-10-09 08:43:40.620 fswatcher[4138]
0x12425cc8>unregister client 1 2015-10-09 08:43:40.625 GWorkspace[4132]
0x12425cc8>write attempt failed - Broken pipe 2015-10-09 08:43:40.625
0x12425cc8>GWorkspace[4132] No handle for event rport on descriptor 10  
2015-10-09 08:43:40.626 GWorkspace[4132] Port operation timed out -
proxy release - port was invalidated

any help appreciated.

Regards

Gaël