The most common cause is a corrupted tallycfg.tsf file, which stores global settings like data paths and printer configurations.
If the internal application files are corrupted, you can use the built-in to repair the installation without affecting your company data. Open the TallyPrime installation folder. Find and run setup.exe . tally prime error application settings are lost
The Setup Manager will detect your existing installation. Select . Once the process is finished, restart TallyPrime. 4. Reconfigure Data Paths The most common cause is a corrupted tallycfg