I have a Windows7-SP1 computer with latest upgrades, and current antivirus and protection.
Have been working with NT since yesterday with no problems, loaded OK, etc.
Since today, I can't load NT. It shows the "welcome screen", and then it does not move forward.
1) Checked task manager and there is a NinjaTrader.exe process but no use of CPU.
2) Restored Windows to a week before (just in case any Windows Upgrade was toxic to NT), but result the same.
3) Tried to re-launch NT and the message of "There can only be one instance of NT...." appears.
4) Tried a fresh restart but no sucess.
What should I try (besides re-installing NT)?
Thanks,
Pak
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