If your product is showing an "Anti-malware signature status: Update failed[-3000]” error message it means you’re running Windows 7 and will need to download and install Microsoft Easy fix, which should resolve your issue.
- If the link does not work, copy and paste this address in a web browser: https://consumerdownloads.totaldefense.com/consumer/apps/current/support/12.x/TDWin7TLSEasyFix.exe
2. Install Total Defense patch
- Right click the “TDWin7TLSEasyFix.exe” file and select “Run as administrator”
- Click the “Yes” button
- Click “OK” to finish or restart your host if the patch asks
3. Retry signature download again