Win7 Pro SP1, fully patched Excel 2013 Pro Plus, fully patched. (v15.0.4997.1000) MarketXLS v220.127.116.11 New install on this PC. Excel runs ok with out marketXLS installed. After MarketXLS install, Excel crashes as soon as I try to open any document (or a blank document). Uninstalled then reinstalled MarketXLS (with Excel open). Installed ok. Restart Excel and was able to register MarketXLS. Restart Excel and the crash issue returns. Uninstall MarketXLS and excel runs ok. What now?