Label: style blog HTTP color ar strong SP 2014 ArtDuring serial port testing, the serial port is used to unplug the printer and replace it with the test. When the program is opened, an error is prompted: the given port name does not start with COM/COM or does not resolve to a valid serial port. (The given port name does not s
Problem Description:The program has been working normally, today the computer re-made the system, and then began to appear this problem: "The given port name does not start with com/com or resolves to a valid serial port." Serial debugging assistant is also not used. Serial cable is not a problem, it is not a hardware problem, the program is not a problem (normal
the artifact--step-one.
Startup Failure Reason
Once the Window service program is started, a run method is called in the WinMain method
Collapsehresult Run (_in_ int nshowcmd = sw_hide) throw ()
{
HRESULT hr = S_OK;
t* PT = static_cast
The Run method calls the Pt->runmessageloop () method for a while loop, which prevents the WinMain method from returning, causing the program to end.
After debugging, found that execution, the Pt->premessageloop method returned S_FALSE, because
Error title.Cause: servlet mapping configuration Error in Web. XML Correct the changes. I deleted it directly, and the bug was solved.Another problem is Xxx.jar fail to load. This may be the case that the jar file in the Project Project Lib package duplicates the error conflict caused by the jar file in the Tomcat's own Lib package, deleting the corresponding jar file in the project engineering.Copyright NOTICE: This article for Bo Master original article, reproduced please indicate this blog ad
Fault Phenomenon: modifying IE homepage is successful, but double-click ie always enter the http://www.537.com, always re-click the Home button to enter the home page. Search the registry, and no corresponding value is found.
Analysis: The following aspects may affect the start page:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE/software/Microsoft/Internet Explorer/main]"Default_page_url" =
Windows Registry Editor Version5.00[hkey_classes_root\clsid\{00020420-0000-0000-c000-000000000046}\inprocserver32]@="C:\\windows\\system32\\oleaut32.dll""ThreadingModel"="Both"[hkey_classes_root\clsid\{00020424-0000-0000-c000-000000000046}\inprocserver32]@="C:\\windows\\system32\\oleaut32.dll""ThreadingModel"="Both"Http://www.cnblogs.com/xiaotao726/p/6506976.htmlVirtualBox installation Error in WIN7 X64 get VirtualBox COM object failed, unable to
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