Page History

If you receive the error message in Excel "Excel Error: Microsoft Visual Basic Run-Time error '53' File not found: Solver32.dll", follow these instructions

Information

If you encounter the error message below, save the Excel file to your machine instead of opening it directly from your email.

Step-by-step guide

A solution to this error that has worked in the past can be found below:

Runtime error 53: solver32.dll not found.
after adding Solver via add-in checkbox and trying to run Solver from Data/Analyze/Solver

1. Before fix:
   1. Go to C:\Program Files (x86)\Microsoft Office\Office16\Library\SOLVER
   2. Verify the files below are listed:
   • • SOLVER.XLAM
     • SOLVER32.DLL
2. Perform fix: (I left files in above, in addition:)
   1. Copy the Solver32.dll to C:\Windows\System32\
   2. File added: SOLVER32.DLL
   3. After copying your SOLVER32.DLL file, restart your computer.

Related articles