Solution
This issue occurs because the LabVIEW project was originally developed using a specific (typically older) version of the NI‑845x driver, and your system currently has a different (usually newer) version installed.
LabVIEW projects and drivers are version-sensitive, and mismatches, especially with hardware drivers like NI‑845x, can lead to compatibility errors.
Follow these steps to resolve the issue:
Identify the Required Driver Version
- Review the error message carefully.
- The message specifies the exact NI‑845x driver version that the project expects.
Check Your Current Installed Version
- Open NI Package Manager (NIPM).
- Search for NI‑845x driver.
- Note the version currently installed on your system.
Compare Compatibility
Use the official NI compatibility chart:
- Verify which NI‑845x versions are supported by your installed version of LabVIEW or LabWindows/CVI.
Confirm whether:
Your current driver is supported, or you must install the required version for compatibility.
Install the Correct Version
If your installed version does not match the required version:
Option A: Install the Required (Older) Version
- Open NI Package Manager.
- Locate the required NI‑845x version.
- Install it
Note: Some NI driver versions cannot coexist, requiring a full uninstall before installing another version.
Option B: Upgrade the Project (if possible)
If you want to keep your current driver:
- Open the project in LabVIEW.
- Allow LabVIEW to update dependencies to newer versions.
- Test thoroughly to ensure functionality is preserved.
Please refer to the following article: Upgrade VI to a Newer LabVIEW™ Version - NI