How to Reinstall MSHTA

1. Click 'Start,' 'All Programs,' 'Accessories,' then right-click 'Command Prompt,' and select 'Run as Administrator.' The Command Prompt opens.
2. Type 'regsvr32 mshta.dll' (without the quotation marks) into the Command Prompt and press 'Enter.'
3. Click 'Y' to confirm the command.
4. Close the Command Prompt by clicking the 'X' in the top right. Alternatively, you can type 'Exit' (without the quotation marks) and press 'Enter.'