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Sage does not open tasks

  • 1.  Sage does not open tasks

    Posted 02-24-2026 17:13

    HI All,   Have a client on 2023 Premium 32 bit.   Three of their workstations got upgraded to Windows 11 version 25H2.   Sage will launch ok but none of the tasks will open (Sales Order entry, Customer Maintenance, etc).  A pvxwin32.exe is started on the workstation but not on the server.  If Sage is run in MAS90 mode, it works ok.  Have done everything I (and Scott Brady) can think of.  Client as been running in this for a couple of years now with no issues..

    • Recreated session files (several different times)
    • Completely uninstalled the client, all C++ and crystal runtimes, rebooted and reinstalled
    • Had IT uninstall the security software (full discloser- the IT guy did this and reported no change.  I did not "see" it myself)
    • Setup exclusions in Defender
    • Ran Sage as administrator
    • Ran Sage logged in under different user accounts including domain admin
    • Firewall is not  enabled.
    • Turned off IP6
    • Ran SFC with no issues

      Other possible thoughts:

    • switch to 64 bit
    • recreate Sage server configuration
    • Wipe windows 11 & install clean

    My instincts tell me that it has to be the workstations, not the server but never know 



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    Bob Osborn
    Senior Consultant
    DSD
    7142645278
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  • 2.  RE: Sage does not open tasks

    Posted 02-24-2026 17:19
    Edited by Doug Higgs 02-24-2026 17:19

    @Robert Osborn I posted earlier today about a customer that had two computers that would not open a couple of the Inventory Explorer menu items.  The user would click on the menu item and nothing would happen.  Today, I uninstalled and re-installed workstation setup and the menu items worked again.   Have you tried uninstalling using Control Panel programs and features then re-installing?



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    Doug Higgs
    Midwest Commerce Solutions, Inc
    (312) 315-0960
    Chauffeur, Chef, and Personal Assistant to Sprinkles
    ------------------------------



  • 3.  RE: Sage does not open tasks

    Posted 02-24-2026 18:01
    Edited by Jeff Schwenk 02-24-2026 18:04

    This was reported about a month ago

    Sage 2022 and Windows 11 25H2 - Sage Freezing, Locking All Users | Sage 100

    25H2 is a commonality

    @Greg Stiles , how did your issues resolve out?



    ------------------------------
    Jeff Schwenk
    Owner
    Bottomline Software, Inc.
    Waynesboro VA
    (540) 221-4444

    Improving bottom lines for over 25 years!
    ------------------------------



  • 4.  RE: Sage does not open tasks

    Posted 02-24-2026 18:19

    @Jeff Schwenk - I haven't resolved it yet. About to upgrade one client with the issue. Hoping that does the trick.



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    Greg Stiles
    DSD Business Systems
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  • 5.  RE: Sage does not open tasks

    Posted 02-24-2026 18:33

    HI @Doug Higgs, Yes I uninstalled from the control panel (more than once) including uninstalling all C++ and crystal runtimes,then rebooted and reinstalled.   All under an administrator account.  
    @Jeff Schwenk Greg's issue is not quite the same as mine.  His at least starts to open the task.   Mine does nothing. It does not affect any other users. 



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    Bob Osborn
    Senior Consultant
    DSD
    7142645278
    ------------------------------



  • 6.  RE: Sage does not open tasks

    Posted 02-24-2026 19:34

    I'd try switching to 64-bit for sure.  That fixes a couple known Win11 issues.



    ------------------------------
    Kevin Moyes
    Technical Systems Analyst
    Munjal White Consulting Co.
    Toronto ON
    ------------------------------



  • 7.  RE: Sage does not open tasks

    Posted 02-24-2026 20:32

    Sooo...  The IT guy SAID that he had uninstalled the security software and tested.  I just got this from him, bearing in mind that when after Scott's review we suggested uninstalling the security software he said "everyone wants to blame the security software.."

    I believe I found the cause of the issue but I am unable to explain why it's happening. As you know, the process that runs when starting Sage 100 is called PVXWIN32.exe. When each module is opened or other windows within Sage open, another instance of PVXWIN32.exe is opened. I found that the zero trust software (ThreatLocker) would allow the initial PVXWIN32.exe process to run and spay the window, but then it was preventing the additional windows from displaying the screen, and here is where it gets strange. ThreatLocker's primary function is to stop apps that have not been pre-approved from running. In this case, it's letting PVXWIN32.exe run and that's how we are getting Sage 100 started and logged into. Then, it's allowing the PVXWIN32.exe process that is started with opening a module but just not allowing it to display the window, something ThreatLocker has never done before. First issue is PVXWIN32.exe is already allowed and is already running. Second issue, ThreatLocker is actually allowing the second or third instance of PVXWIN32.exe to run in the background, but won't let the display of the window to occur, this is something we have never seen and technically it should be happening to everyone at CLC as they are all running ThreatLocker and using the same set of app policies as the policies are managed per customer and applied to all machines at that location. I'm going to have to open a ticket with the ThreatLocker support team tomorrow to get to the bottom of this issue. I'll update you in the morning.



    ------------------------------
    Bob Osborn
    Senior Consultant
    DSD
    7142645278
    ------------------------------



  • 8.  RE: Sage does not open tasks

    Posted 02-24-2026 21:05

    Interesting - hopefully all ends well.



    ------------------------------
    Jeff Schwenk
    Owner
    Bottomline Software, Inc.
    Waynesboro VA
    (540) 221-4444

    Improving bottom lines for over 25 years!
    ------------------------------



  • 9.  RE: Sage does not open tasks

    Posted 02-25-2026 09:02

    Bob - You gave a great opening description of this. Run it through Gemini Pro.

    Here are some of the AI generated suggestions:

    • Windows 11 Exploit Protection: OS-level security (CFG, DEP, or ASLR) is silently killing outbound network calls from the legacy 32-bit pvxwin32.exe.

    • Network Profile Reset: The 25H2 update changed the workstation's network location from "Domain/Private" to "Public," altering how Windows handles internal traffic.

    • "Ghost" AV Filter Drivers: Leftover network filter drivers (.sys files) from the uninstalled security software are still active and dropping packets.

    • Silent Server-Side Rejections: The App Server service is rejecting the 25H2 connection due to an unlogged socket or encryption mismatch (which running the server as a desktop app will reveal).

    • 32-Bit OS Hostility: Windows 11 25H2 simply having inherent, undocumented conflicts with the older 32-bit Sage architecture (making the 64-bit switch your best workaround).



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    Wayne Schulz
    wayne@s-consult.com
    Schulz Consulting
    (860) 516-8990
    Connecticut
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  • 10.  RE: Sage does not open tasks

    Posted 02-25-2026 09:08

    My experience with Threatlocker is it can be very strict/intrusive.



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    Brett Zimmerman
    Net at Work
    Greater Boston Area
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  • 11.  RE: Sage does not open tasks

    Posted 02-25-2026 11:06

    Here is a thread on a couple nightmares I had with ThreatLocker.

    https://communityhub.sage.com/us/sage100/f/technical-and-installation-discussions/225286/performance-issue-with-threatlocker-software-install-on-sage-server

    People blame security software for a reason!



    ------------------------------
    Kevin Moyes
    Technical Systems Analyst
    Munjal White Consulting Co.
    Toronto ON
    ------------------------------