Specifically, this indicates that the license manager ( xclm ) attempted to validate the compiler (XC8) but could not locate a valid, unexpired, and matching license file on the local machine or network server.
it typically indicates a corrupted installation or a conflict with Windows permissions. Quick Fixes for xclm.exe Problems: Check Internet/License: Xclm.exe Xc8 71
Open the .lic file in Notepad. Look for the VERSION= or FEATURE keyword. If it says VERSION=1.x and you are running XC8 v2.x, error 71 is inevitable. Specifically, this indicates that the license manager (
If you use automated builds (Jenkins, GitLab CI, etc.), error 71 will break your pipeline. To avoid this: Xclm.exe Xc8 71