Technical Support
This forum is for questions or issues you have using or accessing the membership site.
THIS FORUM IS NOT FOR BILLING, SUBSCRIPTION OR OTHER CUSTOMER SERVICE QUESTIONS. For help with those type of issues, please send an email to support@sudokuprofessor.com.
Questions on techniques or particular puzzles will not be answered here. Off-topic questions will be deleted.
Please do NOT include any personal information in your post. If we need additional information to answer your question, we will contact you directly via email.
- This forum has 86 topics, 76 replies, and was last updated January 3, 2026 at 10:56 am by
William Bonner.
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- [Support request] I finish lesson 401 and shows 80%
- 1
- May 11, 2022 at 10:59 am
- [Support request] D-609 stuck point for exercise puzzles
- 1
- April 26, 2022 at 5:42 pm
- [Support request] access to Discussion Forums
- 5
- April 24, 2022 at 6:42 pm
- [Support request] Is there available a list rating puzzles from hardest to easiest on web site ?
- 1
- February 12, 2022 at 4:08 pm
- [Support request] Bi-Value Cells, Promoting Numbers in Cell, Etc.
- 1
- February 6, 2022 at 4:15 pm
- [Support request] Cannot access email
- 1
- November 17, 2021 at 1:03 pm
- I have never been able to figure out how to ask questions. No one ever answers
- 0
- October 22, 2021 at 12:30 am
- [Support request] ? typo in Master’sPrep Senior 408 Lsn #2 solution
- 1
- October 19, 2021 at 9:28 am
- [Support request] Senior Exercise Puzzle #1
- 1
- August 31, 2021 at 3:46 pm
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