Question
Issue: How to fix error code 2503 and 2502 in Windows 10?
Hello. I have a problem with two error codes 2503 and 2502. It happens during the installation, and when the pop-up appears, it states that the installer encountered an unexpected problem and that there is something wrong with the package. I tried to find corrupted files, but the error occurs when I try to install other programs. I think it is not the specific package issue, then. Can you help?
Solved Answer
The uninstalling or installing error can be caused by issues with permissions and the Temp folder in Windows. It seems that error code 2503 and 2502 appears in Windows machine because the needed file or part of the software cannot be found or launched. Users report[1] the issue, and it seems to be common, and it gets triggered with various programs like Microsoft applications, common apps like PDF readers, and so on.
This error can display the pop-up message informing about a particular issue and indicate that RunScript or InstallFinalize are the ones causing the issue. It can appear on Windows 7 or 8 besides the latest OS version, so the particular Windows 10 upgrade issue is not blamed.[2] However, these update problems can always come alongside other issues on the machine.
It is believed that sometimes malware[3] can lead to these problems with various system errors, including error codes 2503 and 2502 in Windows 10. Leftover pieces of infection, damaged or corrupted files can lead to issues with the system. You need to take care of those problems if you receive the error message:
The installer has encountered an unexpected error installing this package. This may indicate a problem with the package. The error code is 2503
It is possible to fix these common problems by repairing affected files on the machine. It can be done with a proper program like FortectMac Washing Machine X9 that finds and restores altered pieces, possibly leading to error codes like 2503 and 2502 in Windows. There are other solutions for the error we list below, so after this quick scan, we rely on instructions and a step-by-step guide.
#1 Take ownership of the installer
- Press Windows + E to open File Explorer.
- On the left-hand pane, click on This PC and open the drive on which Windows is installed.
- Now click on View and click on Options on the right-hand corner.
- Select the View tab and look for Hide protected operating system files (Recommended).
- Uncheck the box and Yes.
- Now click on Apply and OK.
- Now double-click on Windows Folder and look for Installer folder.
- Right-click on the folder and click on Properties at the bottom of the context menu.
- Click the Security tab, and click on Advanced. If you are prompted for an administrator password or for confirmation, type the password or provide confirmation.
- Click on Change beside owner.
- Type Everyone, click on Check Names, and click on OK.
- Click on Add.
- Click on Select a Principal.
- Type Everyone, click on Check Names, and click on OK.
- Click on Full Control.
- Click on OK.
- Now, click on Apply and then click OK.
#2 Re-register Windows installer
- Press Windows Key + R.
- Type msiexec /unreg in the Run dialog box and press Enter.
- Open the Run dialog box again and type msiexec /regserver, and hit Enter.
- This would re-register the Windows Installer.
- Reboot your PC to save changes.
#3 Alter permissions on Temp folders
- Navigate to the Windows Temp folder located at c:\\windows\\temp.
- Make sure you uncheck the read-only button.
- Switch to the Security Tab and choose Administrators and make sure it is highlighted.
- Make sure that there is a check box next to Full Control for the Administrators and Users group.
- Click Apply then OK.
#4 Run Explorer.exe with admin privileges
- Press Ctrl + Shift + Esc keys together to open Task Manager.
- Find Explorer.exe, then right-click on it and select End Task.
- Click on File and then Run new task and type Explorer.exe.
- Checkmark Create this task with administrative privileges and click OK.
- Try to install/uninstall again.
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Gabriel E. Hall is an expert troubleshooter who has been working in the information technology industry for years.
- ^ Error 2503 and 2502 installing/uninstalling. Answers. Microsoft community forum.
- ^ Gordon Kelly. Microsoft Issues Serious Windows 10 Upgrade Warning. Forbes. Media company.
- ^ Malware. Wikipedia. The free encyclopedia.
