If you run into APC_INDEX_MISMATCH BSOD, you can try these steps as a mitigation until Microsoft addresses it in the future -
Section 1 - Enable Direct Printing. This should allow 32bit apps to print on 64bit OS without crashing.
Often times, apps like Acrobat and OpenOffice runs as 32bit apps and this should be enough to work around the problem until Microsoft addresses the issue. But this will not solve the problem for 64bit applications printing on 64bit OS, nor 32bit applications printing on 32bit OS. Section 2 - Enable PrintIsolationAware appcompat fix to your printer. This should allow 64bit applications printing on 64bit OS and 32bit applications printing on 32bit OS without crashing. Follow the directions from Microsoft to acquire the Application Compatibility Tookit. Follow these instructions to use the Compatibility Administrator tool to apply the “PrinterIsolationAware” fix to the affected application