If TallyPrime is installed in the C:\Program Files directory, Windows security features (UAC) may prevent the application from writing changes to the configuration files. This results in changes appearing active during the session but lost upon exit.
Right-click the TallyPrime icon > . Find the Data folder and delete TMESSAGE.TSF if its size is 0-1 KB. If larger, move it to another folder. Lack of Permissions
Right-click the TallyPrime icon and select . Locate the file named tally.cfgts . Rename this file to tallycfg.old . tally prime error application settings are lost
: Security software may block Tally from modifying configuration files. Step-by-Step Solutions 1. Correct the Configuration File Path
The symptoms of the "Application Settings Are Lost" error in Tally Prime can vary depending on the severity of the issue. Some common symptoms include: If TallyPrime is installed in the C:\Program Files
the TallyPrime application folder, select Properties , go to the Security tab, and grant Full Control to the current user or "Authenticated Users". Reset Configuration Files :
If the error persists, the core application files might be corrupted. Open TallyPrime and press . Find the Data folder and delete TMESSAGE
Security software blocks or quarantines Tally files, or Windows limits write permissions.