QuickBooks Error H202: What It Means and How to Fix It
H202 means QuickBooks Desktop cannot reach a company file hosted on another computer. The hosting, service and firewall fixes, in order.
Accounting software error codes, with the fix first
LedgerFix decodes the error codes that stop bookkeeping cold: QuickBooks company-file and multi-user errors (H202, the -6000 series), Sage 50 database faults, Xero's HTTP-family codes and the rest. Every page explains what the code means, what actually broke, the vendor's own fix sequence, and when to stop and call support. Fixes cite Intuit, Sage and Xero documentation — and each page shows where to verify the current procedure.
QuickBooks Error -6190, -6000, -77: Company File Mismatch, Fixed
The -6190 -6000 -77 code means the company file and its transaction log disagree. The Tool Hub, restart and TLG fixes in the safe order.
Sage 50 Error Connecting to Database: The Actian Fix
Sage 50's database error usually means the Actian (Pervasive) service is down or mismatched. The service, version and permission fixes that clear it.
Xero Error Codes 400, 401, 403, 404 and 500, Decoded
Xero errors 400, 401, 403, 404 and 500 are standard HTTP codes: bad request, login, permissions, not found, server. What each means and the fix.
Official sources we cite
Fixes follow the vendors' own documentation wherever it exists: