https://ttlc.intuit.com/community/taxes/discussion/activation-problem-for-2024/01/3724710#M1380361 <P>I upgraded to Windows 11.&nbsp; TT is requesting activation of 2024 Home and Business.&nbsp; When I enter my license code I get an Error 606 message saying it is an invalid code.&nbsp; I have a late filing to make and need to get in ASAP.</P> Wed, 14 Jan 2026 16:19:20 GMT M2props2015 2026-01-14T16:19:20Z https://ttlc.intuit.com/community/taxes/discussion/activation-problem-for-2024/01/3724710#M1380361 <P>I upgraded to Windows 11.&nbsp; TT is requesting activation of 2024 Home and Business.&nbsp; When I enter my license code I get an Error 606 message saying it is an invalid code.&nbsp; I have a late filing to make and need to get in ASAP.</P> Wed, 14 Jan 2026 16:19:20 GMT https://ttlc.intuit.com/community/taxes/discussion/activation-problem-for-2024/01/3724710#M1380361 M2props2015 2026-01-14T16:19:20Z