Windows 11 upgrade giving NT CRT DLL error


M

MRM

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We had one of our machines upgrade to Windows 11 and things appeared fine. One of the programs we use is Revit, which is a type of a CAD program from Autodesk. We have to keep several versions of this program as the files are not forward compatible. Two of the versions are giving a Window NT CRT DLL error. One version constantly gives the error where the other will do it a few times and stop.

We've tried a repair of Windows 11 as described here: Repair Install Windows 11 with an In-place Upgrade . These solutions did not fix the problems. We're trying to do what we can to avoid a fresh install of 11. Any recommendations would be appreciated.
 

My Computer

System One

  • OS
    Windows 11
I see that the Autodesk forums didn't give you a fix.

Have you tried running the failing Revit versions in Compatibility mode?

I'm not optimistic that will help, but the effort level is minimal.

I suppose that you can't demand that your customers buy the current version of Revit. ;-)
 

My Computers

System One System Two

  • OS
    Windows 11 26100.3025
    Computer type
    PC/Desktop
    Manufacturer/Model
    homebuilt
    CPU
    Amd Threadripper 7970X
    Motherboard
    Gigabyte TRX50 Aero D
    Memory
    128GB (4 X 32) G.Skill DDR5 6400 (RDIMM)
    Graphics Card(s)
    Gigabyte RTX 4090 OC
    Sound Card
    none (USB to speakers), Realtek
    Monitor(s) Displays
    Philips 27E1N8900 OLED
    Screen Resolution
    3840 X 2160 @ 60Hz
    Hard Drives
    Crucial T700 2TB M.2 NVME SSD
    WD 4TB Blue SATA SSD
    Seagate 18TB IronWolf Pro
    PSU
    BeQuiet! Straight Power 12 1500W
    Case
    Lian Li 011 Dynamic Evo XL
    Cooling
    SilverStone Technology XE360-TR5, with 3 Phanteks T30 fans
    Keyboard
    Logitech K120 (wired)
    Mouse
    Logitech M500s (wired)
    Internet Speed
    2000/300 Mbps (down/up)
  • Operating System
    windows 11 26100.3025
    Computer type
    PC/Desktop
    Manufacturer/Model
    homebuilt
    CPU
    Intel I9-13900K
    Motherboard
    Asus RoG Strix Z690-E
    Memory
    64GB G.Skill DDR5-6000
    Graphics card(s)
    Gigabyte RTX 3090 ti
    Sound Card
    built in Realtek
    Monitor(s) Displays
    Asus PA329C
    Screen Resolution
    3840 X 2160 @60Hz
    Hard Drives
    WDC SN850 1TB
    8TB Seagate Ironwolf
    4TB Seagate Ironwolf
    PSU
    eVGA SuperNOVA 1300 GT
    Case
    Lian Li 011 Dynamic Evo
    Cooling
    Corsair iCUE H150i ELITE CAPELLIX Liquid CPU Cooler
    Mouse
    Logitech M500s (wired)
    Keyboard
    Logitech K120 (wired)
bobkn said:
I see that the Autodesk forums didn't give you a fix.

Have you tried running the failing Revit versions in Compatibility mode?

I'm not optimistic that will help, but the effort level is minimal.

I suppose that you can't demand that your customers buy the current version of Revit. ;-)
Click to expand...
They use all kinds of versions, so we have to as well. They won't let us take a '23 version and open it in '25. :( I'm not a fan of Revit, but that's another story in another forum.

I haven't tried the compatibility mode. I'll see what that does.
 

My Computer

System One

  • OS
    Windows 11
Welcome to the forum. I saw you had posted on the Revit forum.. NT CRT DLL is Visual C Runtime. I'm sure each version of Revit is dependent on a particular Visual C Runtime version. Since you already tried a repair install, the only other suggestion I would have is to uninstall whichever Visual C packages are causing the error, restart, and then Reinstall them. Other than that, the advice you were given on the Revit forum of a clean install seems appropriate to me. It's doubtful anyone here runs Revit.

However, know that other applications also depend on particular Visual C packages in order to run as well. Personally, I know of no native way to find which app(s) use which versions of Visual C but I'm sure there are third party apps that can help.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 24H2 26100.2314
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 7080
    CPU
    i9-10900 10 core 20 threads
    Motherboard
    DELL 0J37VM
    Memory
    32 gb
    Graphics Card(s)
    none-Intel UHD Graphics 630
    Sound Card
    Integrated Realtek
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    1tb Solidigm m.2 nvme+256gb SKHynix m.2 nvme /External drives 512gb Samsung m.2 sata+1tb Kingston m2.nvme+ 4gb Solidigm nvme
    PSU
    500w
    Case
    MT
    Cooling
    Dell Premium
    Keyboard
    Logitech wired
    Mouse
    Logitech wireless
    Internet Speed
    so slow I'm too embarrassed to tell
    Browser
    Firefox
    Antivirus
    Defender+MWB Premium
  • Operating System
    Windows 10 Pro 22H2 19045.3930
    Computer type
    PC/Desktop
    Manufacturer/Model
    Dell Optiplex 9020
    CPU
    i7-4770
    Memory
    24 gb
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    256 gb Toshiba BG4 M.2 NVE SSB and 1 tb hdd
    PSU
    500w
    Case
    MT
    Cooling
    Dell factory
    Mouse
    Logitech wireless
    Keyboard
    Logitech wired
    Internet Speed
    still not telling
    Browser
    Firefox
    Antivirus
    Defender+MWB Premium
Just curious: you can't open a file from the 2023 version in 2025? I'd expect 2023 software could have issues with a file from a 2025 version, but the opposite direction seems like an, er, unusual design choice by Autodesk.
 

My Computers

System One System Two

  • OS
    Windows 11 26100.3025
    Computer type
    PC/Desktop
    Manufacturer/Model
    homebuilt
    CPU
    Amd Threadripper 7970X
    Motherboard
    Gigabyte TRX50 Aero D
    Memory
    128GB (4 X 32) G.Skill DDR5 6400 (RDIMM)
    Graphics Card(s)
    Gigabyte RTX 4090 OC
    Sound Card
    none (USB to speakers), Realtek
    Monitor(s) Displays
    Philips 27E1N8900 OLED
    Screen Resolution
    3840 X 2160 @ 60Hz
    Hard Drives
    Crucial T700 2TB M.2 NVME SSD
    WD 4TB Blue SATA SSD
    Seagate 18TB IronWolf Pro
    PSU
    BeQuiet! Straight Power 12 1500W
    Case
    Lian Li 011 Dynamic Evo XL
    Cooling
    SilverStone Technology XE360-TR5, with 3 Phanteks T30 fans
    Keyboard
    Logitech K120 (wired)
    Mouse
    Logitech M500s (wired)
    Internet Speed
    2000/300 Mbps (down/up)
  • Operating System
    windows 11 26100.3025
    Computer type
    PC/Desktop
    Manufacturer/Model
    homebuilt
    CPU
    Intel I9-13900K
    Motherboard
    Asus RoG Strix Z690-E
    Memory
    64GB G.Skill DDR5-6000
    Graphics card(s)
    Gigabyte RTX 3090 ti
    Sound Card
    built in Realtek
    Monitor(s) Displays
    Asus PA329C
    Screen Resolution
    3840 X 2160 @60Hz
    Hard Drives
    WDC SN850 1TB
    8TB Seagate Ironwolf
    4TB Seagate Ironwolf
    PSU
    eVGA SuperNOVA 1300 GT
    Case
    Lian Li 011 Dynamic Evo
    Cooling
    Corsair iCUE H150i ELITE CAPELLIX Liquid CPU Cooler
    Mouse
    Logitech M500s (wired)
    Keyboard
    Logitech K120 (wired)
glasskuter said:
Welcome to the forum. I saw you had posted on the Revit forum.. NT CRT DLL is Visual C Runtime. I'm sure each version of Revit is dependent on a particular Visual C Runtime version. Since you already tried a repair install, the only other suggestion I would have is to uninstall whichever Visual C packages are causing the error, restart, and then Reinstall them. Other than that, the advice you were given on the Revit forum of a clean install seems appropriate to me. It's doubtful anyone here runs Revit.

However, know that other applications also depend on particular Visual C packages in order to run as well. Personally, I know of no native way to find which app(s) use which versions of Visual C but I'm sure there are third party apps that can help.
Click to expand...
Thanks. I'll see if I can find something.
 

My Computer

System One

  • OS
    Windows 11
bobkn said:
Just curious: you can't open a file from the 2023 version in 2025? I'd expect 2023 software could have issues with a file from a 2025 version, but the opposite direction seems like an, er, unusual design choice by Autodesk.
Click to expand...
You can open '23 file in '25. But the way the program works is there is a central model that controls all aspects of the design. Meaning, the architect, electrical engineer, mechanical engineer, etc. all have access to the file. Once a person opens it in a new version, then all the others have to open it in that version as well. The architects like to control these models and don't want them opened in another version. It's dumb, but it's what we have to deal with.
 

My Computer

System One

  • OS
    Windows 11
MRM said:
You can open '23 file in '25. But the way the program works is there is a central model that controls all aspects of the design. Meaning, the architect, electrical engineer, mechanical engineer, etc. all have access to the file. Once a person opens it in a new version, then all the others have to open it in that version as well. The architects like to control these models and don't want them opened in another version. It's dumb, but it's what we have to deal with.
Click to expand...
Thanks for the explanation.

If simply opening the file in a newer version marks it as newer, that seems a bit heavy handed.

Your last comment reminds me of an old joke that probably came out of MIT:

I was walking down the street the other day, and saw a shop sign offering Brains.

I went in, and saw a large jar marked Physicist's Brains, $5 per pound.

Next to it was a smaller jar marked Engineer's Brains, $15 per pound. I asked the clerk why so much, and he replied that you have to kill a lot more engineers to get a pound of brains.

Farther down the shelf was quite a large jar, marked Architect's Brains, $20 per pound. Why so much? "They've never been used."
 

My Computers

System One System Two

  • OS
    Windows 11 26100.3025
    Computer type
    PC/Desktop
    Manufacturer/Model
    homebuilt
    CPU
    Amd Threadripper 7970X
    Motherboard
    Gigabyte TRX50 Aero D
    Memory
    128GB (4 X 32) G.Skill DDR5 6400 (RDIMM)
    Graphics Card(s)
    Gigabyte RTX 4090 OC
    Sound Card
    none (USB to speakers), Realtek
    Monitor(s) Displays
    Philips 27E1N8900 OLED
    Screen Resolution
    3840 X 2160 @ 60Hz
    Hard Drives
    Crucial T700 2TB M.2 NVME SSD
    WD 4TB Blue SATA SSD
    Seagate 18TB IronWolf Pro
    PSU
    BeQuiet! Straight Power 12 1500W
    Case
    Lian Li 011 Dynamic Evo XL
    Cooling
    SilverStone Technology XE360-TR5, with 3 Phanteks T30 fans
    Keyboard
    Logitech K120 (wired)
    Mouse
    Logitech M500s (wired)
    Internet Speed
    2000/300 Mbps (down/up)
  • Operating System
    windows 11 26100.3025
    Computer type
    PC/Desktop
    Manufacturer/Model
    homebuilt
    CPU
    Intel I9-13900K
    Motherboard
    Asus RoG Strix Z690-E
    Memory
    64GB G.Skill DDR5-6000
    Graphics card(s)
    Gigabyte RTX 3090 ti
    Sound Card
    built in Realtek
    Monitor(s) Displays
    Asus PA329C
    Screen Resolution
    3840 X 2160 @60Hz
    Hard Drives
    WDC SN850 1TB
    8TB Seagate Ironwolf
    4TB Seagate Ironwolf
    PSU
    eVGA SuperNOVA 1300 GT
    Case
    Lian Li 011 Dynamic Evo
    Cooling
    Corsair iCUE H150i ELITE CAPELLIX Liquid CPU Cooler
    Mouse
    Logitech M500s (wired)
    Keyboard
    Logitech K120 (wired)
  • Like
Reactions: MRM
I ran the '23 version in capability mode. The NT CRT DLL error went away, but a new one popped up. It says "your SQL Server installation is either corrupt or has been tampered with (Unknown package id). Please uninstall then re-run setup to correct this problem."
 

My Computer

System One

  • OS
    Windows 11
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