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entry point not found - errors during generation

PostPosted: 06.04.2016, 23:17
by tns1
WSUS 10.6.1

At every point in the download where I see:
Verifying digital file signatures of some stuff...


An error dialog pops up:
sigcheck.exe - entry point not found
The procedure entry point SetFileInformationByHandle could not be located in the dynamic link library KERNEL32.dll


I am required to hit OK to proceed. This happens several times. The log contains a few warnings such as:
Warning: Integrity database ..\client\md\hashes-dotnet.txt not found

Is this a bug to be fixed? Can I trust that the downloaded updates are complete and valid?

Re: entry point not found - errors during generation

PostPosted: 07.04.2016, 06:40
by aker
Sounds like some kind of problem with Windows (maybe a damaged kernel32.dll [?]).

Which version of Windows are you using for downloading the updates?
Any modifications applied to it?

You may try running
Code: Select all
sfc /scannow

in an administrative cmd.

Re: entry point not found - errors during generation

PostPosted: 07.04.2016, 17:43
by tns1
This is an XPsp3 box being used to gather win7 updates via wsusol.
sfc /scannow reports no issues and I still get the same errors. Are there known viruses that defeat sfc by modifying the system file repositories?
I also recently did multiple virus scans - all clean.

Re: entry point not found - errors during generation

PostPosted: 07.04.2016, 18:03
by boco
The case is very simple: Sigcheck 2.5 doesn't run on XP, anymore. It requires at least Vista.

I still have a copy of 2.20, that seems to run fine. The ZIP is not the original ZIP since it is from the SysinternalsSuite monster-sized ZIP.

http://s000.tinyupload.com/index.php?fi ... 5562871226

Re: entry point not found - errors during generation

PostPosted: 07.04.2016, 19:48
by hbuhrmester
You could also browse the Wayback Machine at archive.org for old versions. The version 2.2 can be found here, although the archived web site mentions version 2.1:

https://web.archive.org/web/20150115060 ... s/bb897441
https://en.wikipedia.org/wiki/Wayback_Machine

Re: entry point not found - errors during generation

PostPosted: 07.04.2016, 21:02
by boco
I tested 2.20, 2.40 and 2.50.

2.20 works in XP, 2.40 and 2.50 don't. Could someone find or check 2.30?

Re: entry point not found - errors during generation

PostPosted: 08.04.2016, 00:30
by tns1
Despite the lack of sigcheck during the generation phase, it seems to have downloaded all the updates.
I have run the install phase on Win7, and it looks to be rechecking those files as it installs. If so, its a minor annoyance.

Re: entry point not found - errors during generation

PostPosted: 08.04.2016, 08:30
by aker
At installation wsusou just compares the checksums of the files with its integrity database, it does not check the signatures anymore (as thats done already).

Re: entry point not found - errors during generation

PostPosted: 18.06.2016, 06:35
by lameboyadvance
After trying to run WSUS Offline Update v10.6.2 on XP SP3 I ran into this same issue. I came upon this thread while searching for an answer.

I got curious and decided to track down the Wayback Machine's copies of the descriptions for Sigcheck v2.20 (http://wayback.archive.org/web/20150919172023/https://technet.microsoft.com/en-us/sysinternals/bb897441.aspx) and v2.30 (http://wayback.archive.org/web/20151224222935/https://technet.microsoft.com/en-us/sysinternals/bb897441.aspx). Both still state compatibility for Windows XP/Server 2003, however the closest Archive match for v2.40 (v2.42) (http://wayback.archive.org/web/20160122000055/https://technet.microsoft.com/en-us/sysinternals/bb897441.aspx) only states Vista/Server 2008 or higher.
Unfortunately the latest Archive match for Sigcheck is v2.20 (http://wayback.archive.org/web/20150907225438/http://download.sysinternals.com/files/Sigcheck.zip).

However, I did manage to find a copy of Sigcheck v2.30.

After a bit of searching I found out that v1.1.1 of Skwire Empire's SigcheckGUI (http://skwire.dcmembers.com/fp/?page=sigcheckgui) contained a copy of Sigcheck v2.30. While currently available online, I made sure to save a copy of it to the Wayback Machine just in case (http://wayback.archive.org/web/20160618051340/http://skwire.dcmembers.com/apps/sigcheckgui/SigcheckGUI.zip).

Just extract 'sigcheck.exe' from the archive and place it in the 'bin' folder of your WSUS Offline installation.

Re: entry point not found - errors during generation

PostPosted: 11.10.2018, 16:43
by lioninstreet
FYI, The v2.3 mentioned in the above post found at skywire fails a Virus total test.

Boco's post of 2.2 from tinyupload does not contain the file any longer.

hbuhrmester's post directing to web.archive will still redirect to a link, and yes it does show on the page you would get 2.1. During download windows shows that it fails. But a zip application does download and after extracting it shows as 2.2.

lameboyadvance's link for 2.3 at web.archive currently works but the skywire downloads a zip file wont pass a virus total test.