Quickbooks 2017 Failing to load

I have a client for whom QuickBooks 2017 (Local copy NOT network version) is failing to load under Windows 10 Pro. It previously worked just fine. Recently AVG anti-virus was installed which corrupted the networking connections. AVG was uninstalled and networking resumed as normal.

An uninstall and reinstall of QuickBooks has not resolved the problem. QuickBooks support has essentially given up on the issue. Have tried it under safe mode ... same problem ... fails immediately upon starting to load up.

Any ideas? Seems only option is a complete reformat and install of Windows 10 pro and all software including QuickBooks. Not looking forward to that!

Regards, Dave Melnyk
d_melnykAsked:
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JohnBusiness Consultant (Owner)Commented:
I have QB 2017 on Windows 10, local and networked, and it works fine.

I have a client for whom QuickBooks 2017 (Local copy NOT network version) is failing to load under Windows 10 Pro. It previously worked just fine. ... AVG was uninstalled and networking resumed as normal. .... An uninstall and reinstall of QuickBooks has not resolved the problem. .... Have tried it under safe mode ... same problem ... fails immediately upon starting to load up.

Try a Windows 10 Repair Install. Simple to set up and nothing need be lost.

Go to the Media Creation Link

https://www.microsoft.com/en-us/software-download/windows10

Click on Upgrade to Windows 10 (even if Windows 10 is running), click on the Download button, select Open (Run) but NOT Save. It is possible you may need to go to the download location and run the program - it depends on exactly what MCL does (it changes from time to time). Allow the program to run. Allow drivers to update. Then select Keep Everything.
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John Gates, CISSPSecurity ProfessionalCommented:
Before you rebuild the system see if running the following commands changes the situation:

netsh winsock reset catalog
netsh int ipv4 reset reset.log
netsh int ipv6 reset reset.log
ipconfig /flushdns
route /f
net stop dnscache

-D-
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d_melnykAuthor Commented:
Thanks for the response ... will have the client try this, although I believe he is out of the office for the next two days.... will post the results.
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John Gates, CISSPSecurity ProfessionalCommented:
I have seen other issues like this and rebuilding the winsock and tcp stack fixes it.  

Good luck!

-D-
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JohnBusiness Consultant (Owner)Commented:
Please let us know. QB does not need a network to run and you say it does not even start.
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John Gates, CISSPSecurity ProfessionalCommented:
Quickbooks makes Internet calls regardless of the installation type.  It "phones" home and certainly does this during initial load, which is why I suggested it as a solution ;-)
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JohnBusiness Consultant (Owner)Commented:
I understand but if no network, it still loads properly on my machines.
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John Gates, CISSPSecurity ProfessionalCommented:
Right but if your machine has a properly function TCP stack and winsock the proper unreachable code is returned instead of a hard error possibly causing a buffer overflow :-)....
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d_melnykAuthor Commented:
Thanks for all the info guys ... I suspected that QuickBooks may be trying to call the mothership and failing ... may have an update later tomorrow .. will give stack rebuild a try first and if that barfs will try the windows 10 reload...
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John Gates, CISSPSecurity ProfessionalCommented:
How's it going?

-D-
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d_melnykAuthor Commented:
Hi John .... tried the suggestion to reset the TCP stack ... still no success... any other ideas?
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JohnBusiness Consultant (Owner)Commented:
Try the Windows 10 Repair Install I suggested above. Straightforward and no big deal.
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d_melnykAuthor Commented:
About to try the Windows 10 Repair install ... client doesn't have the Windows 10 product code handy ... Windows 10 came preloaded on an ASUS laptop.... will the repair require this item to be entered? (Don't want to lock him out completely!)
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JohnBusiness Consultant (Owner)Commented:
Repair Install does not need a product code. The licensing is stored in the licensing server
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John Gates, CISSPSecurity ProfessionalCommented:
You will have to reactivate though.
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JohnBusiness Consultant (Owner)Commented:
No. No reactivation required for a Windows 10 Repair Install (even fresh install). I have done many of these.
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d_melnykAuthor Commented:
The Windows 10 "Reload" seems to have finally shaken the problem loose! Thanks to all who provided suggestions and advice. (I have awarded the points as such as I always like to recognize the effort taken by someone to provide a solution, even if it ultimately doesn't resolve the problem )

Best regards and many thanks ... Dave Melnyk
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JohnBusiness Consultant (Owner)Commented:
Thank you for the update and I was happy to help.
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