Home > Access Violation > Delphi Access Violation At Address 00000

Delphi Access Violation At Address 00000


why More about : access violation address module PhilFrisbie November 7, 2012 5:42:19 PM There is likely a bug in the code that can only be fixed if you have access whosrdaddy (Vendor) 7 Sep 04 03:30 lol, I'll give you a star for solving your own bug --------------------------------------What You See Is What You Get RE: Access violation errors. Procedure than have error : Procedure TfMain.CreateNewDocument(p_money_direction,p_status,p_base:integer); begin With fMain.ADOTemp do Begin SQL.Clear; SQL.Text:='INSERT INTO documents '+ '(document_date,fk_id_status,money_direction,'+ 'paid,addition,saving,fk_id_base,fk_id_user)'+ 'VALUES '+ '(CONVERT(DATE,:pdocument_date,103),:pfk_id_status,'+ ':pmoney_direction,0,0,0,:pfk_id_base,:pfk_id_user)'; Parameters.ParamByName('pdocument_date').Value:=Date; Parameters.ParamByName('pfk_id_status').Value:=p_status; Parameters.ParamByName('pmoney_direction').Value:=p_money_direction; Parameters.ParamByName('pfk_id_base').Value:=p_base; Parameters.ParamByName('pfk_id_user').Value:=fMain.ApplicationVariablers.user_id; ExecSQL; End; end; You'd be surprised how innocent looking code can be a hotbed of potential crashes, access violations, race conditions, freezes and deadlocks. have a peek here

Installed latest Windows XP patches/updates 1. This is the same address, which is used by Delphi's debugger and EurekaLog to point you to your line of code. etc. 0 LVL 22 Overall: Level 22 Delphi 21 Message Active 2 days ago Expert Comment by:Ferruccio Accalai ID: 119961052004-09-07 mmm... F68 ;-) 0 LVL 22 Overall: Level 22 Delphi 21 Message Active 2 days ago Expert Comment by:Ferruccio Accalai ID: 119956722004-09-07 --> how could damage (access violation) extend thàt far

Delphi Access Violation At Address 00000

That debugger would make it trivially easy to solve this problem. –Rob Kennedy Feb 10 '10 at 13:51 3 The answer you accepted isn't telling you much, IMO. –Heath Hunnicutt I find it hard to identify what triggers the access violations and then where to make the required changes to try and stop/fix them. Of course, there is no instruction at address NULL, that is why we think of NULL as special in our code. If so: is a function declaration correct?

No matter where I set the break point it never gets there! However, if they are not exactly the same, that could explain the problem. Forgetting to declare your destructors properly, for example, can lead to a compiler warning, but to serious problems at runtime. Access Violation At Address Windows 7 wilson382, Uninstall the Asustek AI Suite II.

RE: Access violation errors. Note, that for variables of dynamic types (such as dynamic arrays, strings, objects or components) - though the variable itself is stored in global area or stack, but its data is Hope this helps, Russell 0 Message Author Comment by:Ron_de_Weijze ID: 120154782004-09-09 Thanks Ferrucio! check these guys out Where can I find Boeing 777 safety records?

Still, of course, this is unlikely for I have run the 'wrong' patch for a long time. How To Fix Access Violation At Address Delphi However when I closed the session, the problem started. The FastMM memory manager has such options. Worse even, some of the settings (those that end in "Data") are hexadecimal values used by the ide when the desktop file is loaded.

Access Violation At Address Delphi 7

Unfortunately, this example isn't for Delphi, but here is the same example, adapted for Delphi (I'm sorry, this is auto-translation - the original post is in russian). The object or record pointer/reference would be nil. Delphi Access Violation At Address 00000 Hope I do not have to re-install Delphi for I read somewhere here that de-installing can make the problem bigger... How To Fix Access Violation At Address Why set a watch on any of them?

If you are using an exception diagnostic tool, such as EurekaLog, then there would be a bug-report instead of usual error message. navigate here What am I doing wrong? if Str.Count > 0 then // Ошибка! Обращение к уже удалённому объектуКак мы уже говорили ранее, в приложениях Delphi есть служебный код, называемый "менеджером памяти", который отвечает за выделение и освобождение How to fix/debug them? Delphi Find Error

Thank you. Process stopped. These are sometimes known as "call back" functions. Check This Out Chances are, there is more way than one to use a tree view, and more way than one to do the work you're doing, and a better architecture, and a clean

Reports: · Posted 4 years ago Top wilson382 Posts: 39 This post has been reported. Access Violation At Address In Module Write Of Address So let's skip the bpl failure and let analize the project.... Sunlight and Vampires list of files based on permission more hot questions question feed lang-pascal about us tour help blog chat data legal privacy policy work here advertising info mobile contact

Unfortunately, the problems with thread are the most complex ones.

ABOUT About Us Contact Us Discussion Forum Advertising Privacy Policy GET ARTICLES BY EMAIL Enter your email address to get our daily newsletter. If it is true that the VCL is not upward compatible from Delphi 6 or so, Borland has a problem. Starting Delphi 7 and opening the .dpr file (any) raises the errormessage. Madexcept Write of address 00000018.

Write of address 00000018. I downloaded patch/upgrade Delphi 7 Enterprise because 'about' sayd that is what was installed in the first place (so I purchased Studio but got Enterprise). Just found out that the problem is directly caused by trying to use desktops I created. http://itivityglobal.com/access-violation/access-violation-at-address-in-module-read-of-address-delphi.html some times its showing 'access violation at address in module xxxxx in a.exe'.

That leads to more access violations found and fixed, reported by your beta testers, or your users. The Ooh-Aah Cryptic Maze more hot questions question feed default about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / All kinds of messing with arguments. But on the second tab - you can see the status of CPU's registers, (part of) the stack and (part of) the memory at the moment of exception raising.

Hypothesis: I purchased and run Delphi 7 Studio. The problem I am having is that the main form doesn't even get to open, so I really don't know where it is happening. F68 ;-) 0 Message Author Comment by:Ron_de_Weijze ID: 120018172004-09-07 Thanks very much Ferruccio. When the function later executes its ret instruction, the value 0x00000000 (NULL) is loaded from the overwritten memory spot.