1# Mouse Pointer Error Codes 2 3> **NOTE** 4> 5> This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](../errorcode-universal.md). 6 7## 26500001 Invalid Window ID 8 9**Error Message** 10 11Invalid windowId. Possible causes: The window id does not belong to the current process. 12 13**Description** 14 15This error code is reported if the window ID is invalid. 16 17**Possible Causes** 18 19The window ID does not belong to the current process. 20 21**Solution** 22 23Pass in the window ID of the current process. You can obtain the attributes of the current window by calling [getWindowProperties()](../apis-arkui/arkts-apis-window-Window.md#getwindowproperties9). The window ID is contained in the returned window attributes. 24