When you see the pop-up "Application settings are lost. Do you want to restore settings from backup?" , you have two buttons: and No .
Right-click your TallyPrime installation folder > > Security . Ensure "Authenticated Users" have Full Control enabled. Configuration Mismatch tally prime error application settings are lost
No. Your financial data (ledgers, vouchers, inventory) is stored separately and remains intact. When you see the pop-up "Application settings are lost
Always use the TallySolutions Data Backup interface to safeguard your corporate accounting files before performing repairs. tally prime error application settings are lost
The error is usually triggered by one of the following:
Only if you had backed up settings previously. Otherwise, you must reconfigure them manually via F12 → Printing settings.