Look for a file named tallycfg.tsf.bak . If it exists, delete the corrupted tallycfg.tsf and rename the backup to tallycfg.tsf .
The error in TallyPrime usually occurs when the software cannot read its primary configuration file ( tally.ini ) or when the local application data gets corrupted. This forces the software to revert to factory defaults, wiping out your custom data paths, auto-load company lists, and display preferences. 🔍 Major Causes tally prime error application settings are lost