Fix for Revit Crashing Immediately on Startup

Solution for Revit Closing Immediately Upon Startup

Issue:

When you restart Revit after it becomes unresponsive and freezes your computer, the initial splash screen briefly appears, then Revit closes without any error message.

Solution:

Follow the steps below to resolve the issue:

1. Verify the License Service is Running

Open the Windows Run dialog box by pressing Win + R.

Type services.msc and press Enter.

Locate FLEXnet Licensing Service or FLEXnet Licensing Service 64 in the list.

Make sure the service is started and running. If it is disabled, the program will fail to launch.

2. Check the License Log File (productname201xENUAdlm.log)

Find this log file at the following location:

Windows Vista / 7 / 8 / 10:

C:ProgramDataAutodeskAdlm

Look for error messages such as:

Reason=Fatal error
ComputerName=COMPUTER
OS=5.1.2600.Service Pack 2
File=AdlmIntSATSLicense.cpp, Line=1150
AdlmIntError=38 [Error getting license usage and behavior]

or:

Reason=Fatal error
ComputerName=COMPUTER
OS=5.1.2600.Service Pack 3
File=AdlmIntSATSLicense.cpp, Line=347
VendorID=2 [ADLMACT]
VendorError=101 [The license cannot be accessed/loaded/opened]

These errors usually indicate that the ADLM trusted storage files were corrupted during a program crash.

3. Rename the License Data File

Rename the following file by adding a .bak extension at the end:

Windows Vista / 7 / 8 / 10:

C:ProgramDataFLEXnetadskflex_*_tsf.data

Note: You may need to enable Show hidden files in Windows to see the adskflex file. For guidance, refer to Microsoft’s documentation on displaying hidden files.

Warning: This file contains activation data for all Autodesk products version 2010 and later. Renaming or deleting this file will require re-registering all affected products.

4. Restart Revit

Revit should automatically re-register and start normally. A new adskflex_*_tsf.data file will be created during this process.

5. Update Graphics Card Drivers

Visit your graphics card manufacturer’s website to download and install the latest drivers.

6. Disable Hardware Acceleration (Optional)

If the problem persists, try launching Revit with the /nohardware switch to disable hardware acceleration.

7. Reinstall Revit (If Needed)

If none of the above steps resolve the issue, the license files may be severely damaged.

• Uninstall all Autodesk products from your computer.
• Delete the tsf.data file from step 3 above.
• Delete the ProductInformation.pit file located at:

Windows 7 / 8 / 8.1 / 10:

C:ProgramDataAutodeskADLMProductInformation.pit

Afterward, reinstall Revit.

Related Resources:

How to solve Revit startup crashes

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