Slicer 4.11.0 missing modules after crash

Support
1

Hello,

I have been using Slicer for a while with great success. However, yesterday, my computer crashed while i was running Slicer together with some other programs. When i tried to reload Slicer, i noticed several modules missing in the modules list. I also noticed aproximately 50 critical errors in the log.
I have little knowledge about software debugging so i have no idea where to start or what information to provide…

Slicer version: 4.11.0-2019-06-14 r28295
Windows 10 x64
Some of the error messages:
Traceback (most recent call last):
File “”, line 1, in
NameError: name ‘getSlicerRCFileName’ is not defined

Traceback (most recent call last):
File “E:/Camiel/Uni/Stage II - OCON/Programma’s/Slicer/Slicer 4.11.0-2019-06-14/bin/…/lib/Slicer-4.11/qt-scripted-modules/CompareVolumes.py”, line 25, in init
“”").substitute({ ‘a’:parent.slicerWikiUrl, ‘b’:slicer.app.majorVersion, ‘c’:slicer.app.minorVersion })
AttributeError: module ‘slicer’ has no attribute ‘app’

qSlicerPythonCppAPI::instantiateClass - [ “CompareVolumes” ] - Failed to instantiate scripted pythonqt class “CompareVolumes” 0x1958c278398
Fail to instantiate module “CompareVolumes”

Traceback (most recent call last):
File “E:/Camiel/Uni/Stage II - OCON/Programma’s/Slicer/Slicer 4.11.0-2019-06-14/bin/…/lib/Slicer-4.11/qt-scripted-modules/DICOM.py”, line 34, in init
self.parent.helpText += self.getDefaultModuleDocumentationLink()
File “E:\Camiel\Uni\Stage II - OCON\Programma’s\Slicer\Slicer 4.11.0-2019-06-14\bin\Python\slicer\ScriptedLoadableModule.py”, line 52, in getDefaultModuleDocumentationLink
self.parent.slicerWikiUrl, slicer.app.majorVersion, slicer.app.minorVersion, docPage)
AttributeError: module ‘slicer’ has no attribute ‘app’

qSlicerPythonCppAPI::instantiateClass - [ “DICOM” ] - Failed to instantiate scripted pythonqt class “DICOM” 0x1958c27cd58
Fail to instantiate module “DICOM”

Traceback (most recent call last):
File “”, line 1, in
File “E:\Camiel\Uni\Stage II - OCON\Programma’s\Slicer\Slicer 4.11.0-2019-06-14\lib\Python\Lib\imp.py”, line 170, in load_source
module = _exec(spec, sys.modules[name])
File “”, line 618, in _exec
File “”, line 678, in exec_module
File “”, line 219, in _call_with_frames_removed
File “E:/Camiel/Uni/Stage II - OCON/Programma’s/Slicer/Slicer 4.11.0-2019-06-14/bin/…/lib/Slicer-4.11/qt-scripted-modules/DICOMPatcher.py”, line 3, in
from main import vtk, qt, ctk, slicer
ImportError: cannot import name ‘vtk’

Can anyone help me repair my Slicer? I read somewhere that reinstalling Slicer wont fix this since some files must be deleted or replaced or whatsoever?

Thanks in advance!

Camiel

2

It looks like your disk got corrupted. Probably need to run some repair tool. Yes, reinstalling Slicer is a good idea too.

3

@pieper Thanks for the reaction.

I have tried running repair tools but those didn’t find any corupted or broken files. I have also tried reinstalling Slicer. i have tried reinstaling the same version and also the most recent version. those, however, both showed the same problems.

Do you have any other suggestions?

Thanks in advance!

4

Ah, it looks like you installed Slicer in a directory with spaces and an apostrophe - that is probably the issue.

E:/Camiel/Uni/Stage II - OCON/Programma’s/

When you run the installer can you pick a place like e:\slicer or similar?

5

Good catch - special characters in the path is a likely root cause of the issue. There are some more application startup troubleshooting instructions here: https://www.slicer.org/wiki/Documentation/Nightly/Developers/Tutorials/Troubleshooting#Debugging_Slicer_application_startup_issues

6

Changing the install folder indeed solved the issue!
Thanks for the help!

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