Yes - I tried 2.9.3 - same result.
Error Loading File tt_cleanup.rb
can't convert nil into StringError Loading File tt_shell.rb
can't convert nil into StringError Loading File C:/Program Files/Google/Google SketchUp 8/Plugins/tt_solid_inspector/core.rb
can't convert nil into StringError Loading File tt_solid_inspector.rb
can't convert nil into String
load 'tt_cleanup.rb'
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:27: warning: already initialized constant BB_LEFT_FRONT_BOTTOM
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:28: warning: already initialized constant BB_RIGHT_FRONT_BOTTOM
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:29: warning: already initialized constant BB_LEFT_BACK_BOTTOM
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:30: warning: already initialized constant BB_RIGHT_BACK_BOTTOM
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:31: warning: already initialized constant BB_LEFT_FRONT_TOP
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:32: warning: already initialized constant BB_RIGHT_FRONT_TOP
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:33: warning: already initialized constant BB_LEFT_BACK_TOP
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:34: warning: already initialized constant BB_RIGHT_BACK_TOP
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:36: warning: already initialized constant BB_CENTER_FRONT_BOTTOM
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:37: warning: already initialized constant BB_CENTER_BACK_BOTTOM
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:38: warning: already initialized constant BB_CENTER_FRONT_TOP
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:39: warning: already initialized constant BB_CENTER_BACK_TOP
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:41: warning: already initialized constant BB_LEFT_CENTER_BOTTOM
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:42: warning: already initialized constant BB_LEFT_CENTER_TOP
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:43: warning: already initialized constant BB_RIGHT_CENTER_BOTTOM
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:44: warning: already initialized constant BB_RIGHT_CENTER_TOP
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:46: warning: already initialized constant BB_LEFT_FRONT_CENTER
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:47: warning: already initialized constant BB_RIGHT_FRONT_CENTER
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:48: warning: already initialized constant BB_LEFT_BACK_CENTER
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:49: warning: already initialized constant BB_RIGHT_BACK_CENTER
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:51: warning: already initialized constant BB_LEFT_CENTER_CENTER
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:52: warning: already initialized constant BB_RIGHT_CENTER_CENTER
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:53: warning: already initialized constant BB_CENTER_FRONT_CENTER
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:54: warning: already initialized constant BB_CENTER_BACK_CENTER
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:55: warning: already initialized constant BB_CENTER_CENTER_TOP
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:56: warning: already initialized constant BB_CENTER_CENTER_BOTTOM
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:58: warning: already initialized constant BB_CENTER_CENTER_CENTER
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:59: warning: already initialized constant BB_CENTER
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:64: warning: already initialized constant MB_ICONHAND
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:65: warning: already initialized constant MB_ICONSTOP
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:66: warning: already initialized constant MB_ICONERROR
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:67: warning: already initialized constant MB_ICONQUESTION
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:68: warning: already initialized constant MB_ICONEXCLAMATION
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:69: warning: already initialized constant MB_ICONWARNING
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:70: warning: already initialized constant MB_ICONASTERISK
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:71: warning: already initialized constant MB_ICONINFORMATION
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:72: warning: already initialized constant MB_ICON_NONE
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:74: warning: already initialized constant MB_DEFBUTTON1
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:75: warning: already initialized constant MB_DEFBUTTON2
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:76: warning: already initialized constant MB_DEFBUTTON3
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:77: warning: already initialized constant MB_DEFBUTTON4
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:82: warning: already initialized constant MESH_SHARP
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:83: warning: already initialized constant MESH_SOFT
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:84: warning: already initialized constant MESH_SMOOTH
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:85: warning: already initialized constant MESH_SOFT_SMOOTH
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:90: warning: already initialized constant POINT_OPEN_SQUARE
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:91: warning: already initialized constant POINT_FILLED_SQUARE
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:92: warning: already initialized constant POINT_CROSS
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:93: warning: already initialized constant POINT_X
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:94: warning: already initialized constant POINT_STAR
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:95: warning: already initialized constant POINT_OPEN_TRIANGLE
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:96: warning: already initialized constant POINT_FILLED_TRIANGLE
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:114: warning: already initialized constant VERSION
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:118: warning: already initialized constant PREF_KEY
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:121: warning: already initialized constant PATH
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:122: warning: already initialized constant PATH_LIBS
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:125: warning: already initialized constant PATH_LIBS_CEXT
Error: #<TypeError: C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:250:in exist?': can't convert nil into String> C:/Program Files/Google/Google SketchUp 8/Plugins/tt_cleanup.rb:90 C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:250:in
virtualstore_check'
C:/Program Files/Google/Google SketchUp 8/Plugins/TT_Lib2/core.rb:454
C:/Program Files/Google/Google SketchUp 8/Plugins/tt_cleanup.rb:89:in require' C:/Program Files/Google/Google SketchUp 8/Plugins/tt_cleanup.rb:89 (eval):232:in
load'
(eval):232