Errors of various kinds might arise from damaged corporate files. One of these is the 6106, 1069 error code for QuickBooks. Try opening a sample business file to see if the issue is being caused by a corrupt or damaged company file. The company file, not the QuickBooks application, is the source of the issue if the sample opens without issue but your company file displays the error. On the other hand, if the example file also cannot be opened, there is an issue with the software that can be fixed by doing a fresh installation.