The QuickBooks Web Connector numbers its messages QBWC1000 and up. You see them in the Status column of the app’s row, in a pop-up window, or in the Web Connector log, C:\ProgramData\Intuit\QBWebConnector\log\QWCLog.txt. This page lists every code Intuit documents, what it means in plain words, and where to go next.
Most codes are followed by more text, often a message from QuickBooks itself. That text usually tells you more than the code. When a page here asks you to send details to the app’s support team, send the time, the full message and the QWCLog.txt file.
These codes describe something you clicked, or a normal reply. They do not mean the connection is broken.
| Code |
What it means |
What to do |
QBWC1016 |
You clicked Update Selected without ticking any app. Intuit’s message: “No application was selected for update.” |
Tick the box to the left of the app’s name, then click Update Selected. |
QBWC1018 |
You clicked Select All while no app was in the list. |
Add the app’s connector file first. See Connect QuickBooks Desktop. |
QBWC1019 |
You clicked Select None while no app was in the list. |
Same as QBWC1018. |
QBWC1020 |
You chose Exit while an app has Auto-Run on. The Web Connector warns that scheduled updates stop if you exit. |
See The Web Connector warns about scheduled jobs when you exit. |
QBWC1031 |
Intuit describes this as an update that finished with an error during a scheduled run. With this app, the Web Connector also logs it every time the app replies that it has no work. |
On its own, ignore it. See The Web Connector log is full of QBWC1031 entries. |
The Web Connector could not open a session with QuickBooks on this computer. Intuit lists the most common causes as QuickBooks not running, no company file open, or a QuickBooks window waiting for an answer.
| Code |
What it means |
Where to go |
QBWC1007, QBWC1008, QBWC1009 |
Connecting to QuickBooks failed during an update. The Web Connector tries twice. QBWC1009 means the first try failed and someone clicked Cancel instead of Retry. |
QuickBooks could not be started and A QuickBooks window is blocking the connection |
QBWC1013 |
“Error connecting to QuickBooks.” QuickBooks refused the connection during an update. The message from QuickBooks follows the code. |
QBWC1013: Error connecting to QuickBooks |
QBWC1022, QBWC1023, QBWC1024 |
Connecting to QuickBooks failed while the Web Connector was adding the app’s connector file. |
Open QuickBooks and the company file as Admin, close any open QuickBooks windows, then add the connector file again. See Connect QuickBooks Desktop. |
QBWC1053 |
A window is open in QuickBooks and blocks every connected app. |
A QuickBooks window is blocking the connection |
QBWC1014, QBWC1021 |
QuickBooks answered, but the Web Connector could not read the reply about its company, preferences or version. |
Restart QuickBooks and the Web Connector. If it happens again, send the details to the app’s support team. |
QBWC1015 |
The update finished, but the Web Connector could not close its session with QuickBooks cleanly. |
If QuickBooks then refuses to close the company file, see QuickBooks says the company file is being used by another application. |
QBWC1034 |
The Web Connector could not set up the QuickBooks component it talks through. Intuit points to a damaged installation of that component. |
Unable to cast COM object |
| Code |
What it means |
Where to go |
QBWC1030 |
No password is saved for the app. |
Password not set |
QBWC1040 |
The saved password was rejected. |
Invalid password |
QBWC1038 |
The Web Connector asked for the key that unlocks its saved passwords, and the window was closed or the entry was wrong. |
Enter the password again. If you do not have it, see Lost password. |
QBWC1028, QBWC1029 |
The Web Connector could not encrypt or decrypt a saved password. |
Enter the password again. If it keeps happening, see Web Connector password problems. |
These codes mean the connector file (.qwc) is not one the Web Connector accepts. A connector file from a setup link does not cause them. If you see one, ask the app for a new setup link and use the connector file it gives you.
| Code |
What it means |
QBWC1000 |
The server address and support address in the connector file are on different domains. |
QBWC1001, QBWC1002 |
An address in the connector file is a bare IP address instead of a name. |
QBWC1003, QBWC1004 |
The support page named in the connector file could not be reached. |
QBWC1010 |
The connector file points to an address without HTTPS. |
QBWC1035 |
The connector file points to localhost, which is meant only for an app’s own testing. |
| Code |
What it means |
What to do |
QBWC1017 |
Lists the apps that did not finish when several updated at once. |
Look at each app’s own row and its Status column for the reason. |
Intuit’s list does not include these two, but the Web Connector shows them, and our pages cover them:
Contact them when a code points you to them, or when the page for your code did not fix it. Send the time, the full text after the code, a screenshot of the Web Connector window with the app’s row visible, and QWCLog.txt.