Always use the exact .lkr files shipped with v3.47. Updated memory maps prevent memory overlaps during the linkage phase.
Advanced Object Module Format support for better debugging. mplab c18 347 full version best
On Windows 10/11, building legacy C18 projects can be painfully slow due to real-time virus scanning. Add C:\MCC18\bin and your project folder to Windows Defender's exclusion list. Always use the exact