Tally Prime Error Application Settings Are Lost [updated] Access

Tally Prime Error: Application Settings are Lost

Restore from backup: if you keep Tally backups, restore your company data and settings from the most recent good backup.

Reinstall Tally Prime: if nothing else works, uninstall, reboot, then reinstall — your company data (FOLDER: TallyPrime\Data) is usually safe if backed up.

Contact Tally support if the error persists — provide log files and a screenshot for faster help.

How to Resolve Internal Error During Migration in TallyPrime - TallyHelp tally prime error application settings are lost

Rename the file tally.cfgts to tallycfg.old in the installation directory. Tally will generate a new, clean version upon the next launch. Run as Administrator: Tally Prime Error: Application Settings are Lost

2. Reinstall Tally Prime (Keep Data)

• Uninstall Tally Prime via Control Panel.
• Rename old TallyPrime folder to TallyPrime_Old (to retain data).
• Install fresh Tally Prime copy.
• Copy company data files (.900, .tdf, .tlb) from old folder to new one.

Step 3: Adjust File Permissions