Why I cannot run my scripts since my last upgrade on VIAVI TestCenter ?

Knowledge Base - FAQ

Why I cannot run my scripts since my last upgrade on VIAVI TestCenter ?
Make sure the system environment is set correctly (this can be checked by looking into the Windows environment path under System ==> Properties) You can also open a command prompt and type: tclsh (then Enter) and type: lappend auto_path (this will give you what version is currently set)