What Causes QuickBooks Company File Error 6087, 0 and How to Fix It. Understanding the causes of QuickBooks Error 6087, 0 can simplify troubleshooting. Common reasons include improper hosting settings, network interruptions, or file corruption. To fix the issue, begin by ensuring hosting is enabled only on the server. Then, use QuickBooks File Doctor to scan and repair the file. Additionally, check if your QuickBooks installation requires updates. By addressing these root causes, you can eliminate Error 6087, 0 and regain seamless access to your company file. https://hackmd.io/@alastormoody/ryyzWYwX1e