Help--Mem Access Violation ON ALL FILES!!

Blitz3D Forums/Blitz3D Bug Reports/Help--Mem Access Violation ON ALL FILES!!

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I have not used Blitz3d in a month or so. Tomorrow i need it for a presentation, and tonight I get a memory access violation with every *.bb file and *.exe file I run! The debugger gives me no feedback, and I get a windows crash report stating that blitzcc.exe encountered an error and had to close. I tried uninstalling the app and reinstalling v.1.98, and still get the same error. I have never seen this.
I have a Dell Precision M90 with a nvidia quadro 2500 card. I have been deving blitz3d apps for 2 years on this machine without an error.
HELPI