Fence global context menu handler cause a slowdown in the system until the context menu is closed.
Fence version 0.98.0.0
System
Windows XP SP3
Sysinternals autoruns entry
FencesShellExt {1984DD45-52CF-49cd-AB77-18F378FEA264} fencesmenu.dll
Opening the context menu a second time doesn't cause the slowdown.
Additionnal entry
TortoiseSVN
Winrar
Disabling fences context menu handler correct this
Opening the context menu with it cause multiple log write ( might be the the cause )
Best Regards