Go to your TallyPrime installation folder (typically C:\Program Files\TallyPrime ).
Sometimes the application settings aren't "lost" but are simply because Tally lacks permission to read them. tally prime error application settings are lost
The error message typically occurs when the software cannot read the configuration file (usually tallycfg.tsf or tally.ini ) located in the installation folder. This can happen due to sudden power failures, improper shutdowns, or antivirus software incorrectly flagging the system files. tally prime error application settings are lost