unhandled access violation reading

Tags: Access violation C + + unhandled exception at 0x ... in xxxx.exe:0xc0000005:access violation reading location 0x ..... For C + + beginners or careless people, it is easy to commit the error as shown: So what is the cause o

The QT debugging problems to be solved in this article are as follows:cause : Add a two-dimensional array of type Qcolor to the code to store each pixel of the picture.Symptom : The error shown appears when debugging.reason : After Baidu and repeatedly review the code, found in the code, there is an array out of bounds of the situation. Because the two dimensions of the array are not the same when defined, the actualnow qwidget the redraw event, because of the differences in the coordinate syste

Cause: A few days ago, a feature was added without a stable version, and the program often crashed relentlessly.Symptom: When debugging crashes, the system prompts "unhandled exception in app.exe (qtguid4.dll): 0xc0000005: access violation", which will be transferred to the setenabled location of the label; After shielding the relevant code, run it again and jump

The following error occurs during compilation and running. Access violation reading location 0xccccccc0 One-step debugging: an error occurs when a pointer variable is deleted. The error is caused by the deletion of a pointer variable without a new one. Therefore, you must carefully check the object creation status before the delete operation. To sum up

Tags: type csdn syn how ESS SSO ref EXE titleC + + code? 123456789101112131415161718192021222324252627 #include#include#includestructPerson{std::stringname;intage;std::stringbank_ac_no;Person(conststd::stringname,intyears,conststd::stringac_no):name(name),age(years),bank_ac_no(ac_no){}Person():name(""),age(0),bank_ac_no(""){}};intmain(intargc,char *argv[]){structPersonp1={"ASmith",71,"5702750"};std::vectorpeople1.push_back(p1);return0;} Run at the time in the push_back t

Record After reading a lot on the internet, I finally found that the problem was solved by two sites using one application pool :) The following are some solutions on the Internet: PHP has encountered an access violation at 7c94bd02 Solution Restart IIS to solve this problem! The solution is as follows: The first possibility: Removing the extension

The developed software can create subforms via buttons, test normal under Win7, and crash under WinXP. So search the following post, did not talk about the direct solution, because there seems to be no direct solution to the way.You can catch the exception by setting it inside, and then parse the code.Original address' First-chance exception ' usually means an exception that have been handled by user code. If you ' re using the Vosual Studio the Windows Mobile emulator for debug then you can tu

Tags: memory load Attach description spec buffer add Content list pictureWrite-C + + programs are most afraid of the emergence of such a hint, fortunately, in the debugging environment displayed, in the non-debug state of the direct crash exit.From the above assembly code found in the memory address eax+38h the value of error, which means that the address is illegal Bai, can not access, is generally accessed by the null pointer.The direct call to the

filter shows that the application is in use.Description: An unhandled exception occurred during the execution of the current WEB request. Check the stack trace information For more information about the error and the source of the error in your code.Exception Details: System.Runtime.InteropServices.COMException: Message Filter shows that the application is in use.1. Enter: Dcomcnfg on the command line, which displays the Component Services Manager2.