Bc402rtl.dll is a process belonging to the Borland C++ 4.02 program. Over time DLL files can go missing or get corrupted either through user error or aspects outside your control such as registry problems, adware, spyware, or viruses. When your bc402rtl.dll file is missing or corrupted, you will receive the bc402rtl.dll error messages. To fix it, you just need to download bc402rtl.dll file and replace it.

Common bc402rtl.dll error messages:
- "Windows could not start because the following file is missing or corrupt: Windows root\system32\Bc402rtl.dll. Please re-install a copy of the above file."
- "Winnt_root>\System32\Bc402rtl.dll missing or corrupt: Please re-install a copy of the above file."
- "Cannot find \Windows\System32\Bc402rtl.dll."
- "Cannot find Bc402rtl.dll."
- "A required .DLL file, Bc402rtl.dll was not found."
- "Program requires the file 'Bc402rtl.dll' to run. Run Setup again to assure proper installation."

How to install BC402RTL.DLL file?

1. Press Start and select Run
2. Type CMD and press Enter (or if you use Windows ME, type COMMAND)
3. Type regsvr32 BC402RTL.DLL and press Enter
4. In the end, you should receive a message saying that your file was successfully installed or uninstalled.