System error 126 is usually displayed at run time when some of the DLLs on your system are missing. I want to share some of my experience to fix system error code 126 with you. There are some different causes of system error code 126.
Solution
- You may receive the following error message:
Loading extended custom action library sqlcax.dll
Error 126 loading library sqlcax.dll
Action ended 21:15:09: InstallFinalize . Return value 3
- Usually, the problem is caused by problems in your system files and the system registry. So you should keep great maintenance, update your computer with the latest patches.
- In addition, you should keep your computer updated at intervals. You can use antivirusplus to scan your computer periodically.
antivrusplus
- If you receive: Error 126: The specified module cannot be found
This error occurs when the DLL file Srvsvc.dll file is missing, you must restore the Srvsvc.dll from the Windows XP installation CD and copy it to the System32 .
Type in expand <CD_drive>:\i386\srvsvc.dl_ C:\Windows\system32\srvsvc.dll
How to Fix System Error Code 126
- Click on OK to copy Srvsvc.dll to the System32
- Then type in Services.msc to go on:

You will find sever on the list.
Tips
See also
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