TurboTax Error 42015: Can't Download Updates
Error 42015 means TurboTax couldn't download an update, almost always because of a connection or security-software hiccup. Checking your internet, adjusting your firewall, and updating manually usually fixes it.
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Symptoms
- •TurboTax reports "Error 42015" when checking for or installing updates.
- •Updates start but never complete.
- •The program insists it's out of date and won't proceed.
What causes it
- ▸An unstable or blocked internet connection.
- ▸A firewall or antivirus blocking TurboTax's update server.
- ▸Outdated TurboTax program files.
- ▸A temporary problem reaching the update server.
How to fix it
1Confirm your internet connection
- Open a web browser and load any website to make sure you're online.
- If you're on Wi-Fi, move closer to the router or switch to a wired connection.
- Restart your router if pages are loading slowly.
2Allow TurboTax through your firewall
- Open your firewall or antivirus settings.
- Add TurboTax to the list of allowed or trusted programs.
- Temporarily disable the firewall, run the update, then turn it back on.
3Update TurboTax manually
- Inside TurboTax, open the Online menu and choose Check for Updates.
- If that fails, download the manual update for your product and tax year from the official TurboTax site.
- Run the manual update file as administrator and restart the program.
Still stuck?
If error 42015 persists after checking your connection and firewall, your network may be filtering TurboTax's update traffic in a way that needs closer inspection. Contact official TurboTax support at ttlc.intuit.com, and you can also ask here whether a manual update package exists for your specific version.
Frequently asked questions
Can I file without installing the update?＋
It's not recommended. Updates include the latest forms and calculations, so filing without them can lead to errors or rejections.
Will a VPN cause error 42015?＋
It can. Some VPNs interfere with the update servers, so try turning the VPN off before updating.
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