[SOLVED] WUA - Error Scanning Updates

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erems
Messages: 46
Registration: Apr 25, 2023 - 3:52 p.m.

May 25, 2023 - 11:18

Good morning,

One of our Win10 pro workstations consistently fails the WUA scan:
The specified path could not be found: 'C:\\temp\\gen_py'

Indeed, this folder does not exist on this computer (nor on any other for that matter). However, 'C:\Windows\temp\gen_py' does exist.

Could you explain why he's looking for him in that place?

Here is the complete task log:
Ensure wuauserv Auto Update option is disabled
Scanning with windows updates rules:
{
"direct_download":false,
"default_allow":true,
"include_potentially_superseded_updates":true,
"filter":"Type='Software' or Type='Driver'",
"download_scheduling":"7d",
"install_scheduling":"8d",
"install_delay":"7d",
"postboot_delay":"10m"
}
Looking for updates with filter: Type='Software' or Type='Driver'
Connecting to local update searcher using offline wsusscn2 file...
re-enabling wuauserv previous state: 4
[WinError 3] The specified path was not found: 'C:\\temp\\gen_py'
Traceback (most recent call last):
File "C:\Program Files (x86)\wapt\setuphelpers_windows.py", line 4087, in win32com_ensure_dispatch_patch
return win32com.client.gencache.EnsureDispatch(prog_id)
File "C:\Program Files (x86)\wapt\lib\site-packages\win32com\client\gencache.py", line 524, in EnsureDispatch
disp = win32com.client.Dispatch(prog_id)
File "C:\Program Files (x86)\wapt\lib\site-packages\win32com\client\__init__.py", line 96, in Dispatch
return __WrapDispatch(dispatch, userName, resultCLSID, typeinfo, clsctx=clsctx)
File "C:\Program Files (x86)\wapt\lib\site-packages\win32com\client\__init__.py", line 37, in __WrapDispatch
class = gencache.GetClassForCLSID(resultCLSID)
File "C:\Program Files (x86)\wapt\lib\site-packages\win32com\client\gencache.py", line 180, in GetClassForCLSID
mod = GetModuleForCLSID(clsid)
File "C:\Program Files (x86)\wapt\lib\site-packages\win32com\client\gencache.py", line 223, in GetModuleForCLSID
mod = GetModuleForTypelib(typelibCLSID, lcid, major, minor)
File "C:\Program Files (x86)\wapt\lib\site-packages\win32com\client\gencache.py", line 263, in GetModuleForTypelib
AddModuleToCache(typelibCLSID, lcid, major, minor)
File "C:\Program Files (x86)\wapt\lib\site-packages\win32com\client\gencache.py", line 559, in AddModuleToCache
SetTypelibForAllClsids(mod.CLSIDToClassMap)
AttributeError: module 'win32com.gen_py.B596CC9F-56E5-419E-A622-E01BB457431Ex0x2x0' has no attribute 'CLSIDToClassMap'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:\Program Files (x86)\wapt\waptservice\service.py", line 1907, in run
self.running_task.run()
File "C:\Program Files (x86)\wapt\waptservice\waptservice_common.py", line 710, in run
self._run()
File "C:\Program Files (x86)\wapt\waptservice\enterprise.py", line 216, in _run
self.result = wua.scan_updates_status(self.force)
File "C:\Program Files (x86)\wapt\waptwua\client.py", line 914, in scan_updates_status
for update in self.updates():
File "C:\Program Files (x86)\wapt\waptwua\client.py", line 822, in updates
search_job = self.update_searcher().BeginSearch(self.params.filter, scb_interface, None)
File "C:\Program Files (x86)\wapt\waptwua\client.py", line 784, in update_searcher
self._update_service = self.update_service_manager().AddScanPackageService("Offline Sync Service", self.wsusscn2)
File "C:\Program Files (x86)\wapt\waptwua\client.py", line 699, in update_service_manager
self._update_service_manager = CastTo(self.update_session().CreateUpdateServiceManager(), 'IUpdateServiceManager2')
File "C:\Program Files (x86)\wapt\waptwua\client.py", line 688, in update_session
self._update_session = CastTo(win32com_ensure_dispatch_patch("Microsoft.Update.Session"), 'IUpdateSession3')
File "C:\Program Files (x86)\wapt\setuphelpers_windows.py", line 4094, in win32com_ensure_dispatch_patch
shutil.rmtree(os.path.join(tempfile.gettempdir(), 'gen_py'))
File "shutil.py", line 740, in rmtree
File "shutil.py", line 599, in _rmtree_unsafe
File "shutil.py", line 596, in _rmtree_unsafe
FileNotFoundError: [WinError 3] The specified path could not be found: 'C:\\temp\\gen_py'

2: The specified path could not be found
Traceback (most recent call last):
File "C:\Program Files (x86)\wapt\setuphelpers_windows.py", line 4087, in win32com_ensure_dispatch_patch
return win32com.client.gencache.EnsureDispatch(prog_id)
File "C:\Program Files (x86)\wapt\lib\site-packages\win32com\client\gencache.py", line 524, in EnsureDispatch
disp = win32com.client.Dispatch(prog_id)
File "C:\Program Files (x86)\wapt\lib\site-packages\win32com\client\__init__.py", line 96, in Dispatch
return __WrapDispatch(dispatch, userName, resultCLSID, typeinfo, clsctx=clsctx)
File "C:\Program Files (x86)\wapt\lib\site-packages\win32com\client\__init__.py", line 37, in __WrapDispatch
klass = gencache.GetClassForCLSID(resultCLSID)
File "C:\Program Files (x86)\wapt\lib\site-packages\win32com\client\gencache.py", line 180, in GetClassForCLSID
mod = GetModuleForCLSID(clsid)
File "C:\Program Files (x86)\wapt\lib\site-packages\win32com\client\gencache.py", line 223, in GetModuleForCLSID
mod = GetModuleForTypelib(typelibCLSID, lcid, major, minor)
File "C:\Program Files (x86)\wapt\lib\site-packages\win32com\client\gencache.py", line 263, in GetModuleForTypelib
AddModuleToCache(typelibCLSID, lcid, major, minor)
File "C:\Program Files (x86)\wapt\lib\site-packages\win32com\client\gencache.py", line 559, in AddModuleToCache
SetTypelibForAllClsids(mod.CLSIDToClassMap)
AttributeError: module 'win32com.gen_py.B596CC9F-56E5-419E-A622-E01BB457431Ex0x2x0' has no attribute 'CLSIDToClassMap'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:\Program Files (x86)\wapt\waptservice\service.py", line 1907, in run
self.running_task.run()
File "C:\Program Files (x86)\wapt\waptservice\waptservice_common.py", line 710, in run
self._run()
File "C:\Program Files (x86)\wapt\waptservice\enterprise.py", line 216, in _run
self.result = wua.scan_updates_status(self.force)
File "C:\Program Files (x86)\wapt\waptwua\client.py", line 914, in scan_updates_status
for update in self.updates():
File "C:\Program Files (x86)\wapt\waptwua\client.py", line 822, in updates
search_job = self.update_searcher().BeginSearch(self.params.filter, scb_interface, None)
File "C:\Program Files (x86)\wapt\waptwua\client.py", line 784, in update_searcher
self._update_service = self.update_service_manager().AddScanPackageService("Offline Sync Service", self.wsusscn2)
File "C:\Program Files (x86)\wapt\waptwua\client.py", line 699, in update_service_manager
self._update_service_manager = CastTo(self.update_session().CreateUpdateServiceManager(), 'IUpdateServiceManager2')
File "C:\Program Files (x86)\wapt\waptwua\client.py", line 688, in update_session
self._update_session = CastTo(win32com_ensure_dispatch_patch("Microsoft.Update.Session"), 'IUpdateSession3')
File "C:\Program Files (x86)\wapt\setuphelpers_windows.py", line 4094, in win32com_ensure_dispatch_patch
shutil.rmtree(os.path.join(tempfile.gettempdir(), 'gen_py'))
File "shutil.py", line 740, in rmtree
File "shutil.py", line 599, in _rmtree_unsafe
File "shutil.py", line 596, in _rmtree_unsafe
FileNotFoundError: [WinError 3] The specified path could not be found: 'C:\\temp\\gen_py'
Thank you for your help.
Best regards.
Last edited by erems on June 2, 2023 - 10:01, edited 1 time.
High
User avatar
sfonteneau
WAPT Expert
Messages: 2318
Registered: July 10, 2014 - 11:52 PM
Contact :
Contact Sfonteneau

May 25, 2023 - 1:49 PM

It's strange that it mixes between:

Code: Select all

C:\temp\
And

Code: Select all

C:\Windows\temp\
C:\temp\ does not normally exist in a standard system.

In the environment variables, you should look for TMP:

Code: Select all

echo %temp%
echo %tmp%
High
erems
Messages: 46
Registration: Apr 25, 2023 - 3:52 p.m.

June 1, 2023 - 09:53

Hello,
sorry for the delayed response. It seems that an environment variable, %TMPDIR%, was interfering with WAPT.
After deleting this variable, the WUA scan is working again on the machine.
Thank you for your help.
Best regards.
High
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