I recently used PLINK to remove missingness in my SNPs data. I always saw message from terminal 



    Web-based version check ( --noweb to skip ) Recent cached web-check found...Problem connecting to web
    
    Writing this text to log file [ HapMap_3_r3_4.log ] Analysis started: Thu May  6 20:03:31 2021

Although I used --noweb to skip connecting web, I am afraid I will use the web-based function in the future.  Does anyone know if this is always happen in the PLINK? I'm using pLINK
This no longer happens if you upgrade to PLINK 1.9.