Windows 7 .net Excel .SaveAs() Error Exception from HRESULT: 0x800A03EC

Question

Background:
I toasted my old hard drive at work and am getting a new one. With that I\'ll have to rebuild my machine. My manager has Windows 7 installed on him loaner la

Answer 1

I got the same issue and found application crash errors with Exception code: 0xc0000005 in windows events. Search web and find the following solution at the linkExcel 2010 Crash, Exception code: 0xc0000005 Rename the file extension of the opened file from xlsx to zip. The solution works for my case.