You’ve likely experienced this: you scour the internet, find a website offering a "Multisim 14.0 Complete Library Repack," download the 500MB archive, and painstakingly copy the files into the installation directory. You open Multisim, search for your new GaN MOSFET, drag it onto the schematic… and nothing happens. The component symbol is there, but double-clicking reveals empty parameter fields, and simulation yields zero output.
Run it (right‑click → Run as administrator ).
If you encounter a "Failed to Open the Database" error when importing or merging, the file path is likely too long, contains invalid characters, or the database file is locked by another process. multisim library repack
Test your library systematically:
If you are looking for a specific component package, let me know you need, the version of Multisim you are running, or if you need help troubleshooting a simulation error with a downloaded model. You’ve likely experienced this: you scour the internet,
If you have received a pre-built .usr user database file from a colleague (or are upgrading from an older Multisim version), you can merge it directly:
| Pitfall | Consequence | Solution | |---------|-------------|----------| | Repacking with open database | Corrupt .mldb | Close Multisim before zipping files | | Mixing .cmp and .mldb from different Multisim versions | “Unrecognized format” error | Use NI’s DatabaseConverter tool (in Multisim install folder) | | Forgetting dependency files | Models load but pins missing | Use function, which captures symbols and models together | | Case-sensitive paths in SPICE includes (e.g., include mylib.lib vs include MYLIB.LIB ) | Simulation fails on different PC | Standardize paths and use relative paths inside repack | Run it (right‑click → Run as administrator )
Use search/replace and manual inspection to: