How to fix error 2503 and 2502 Windows 10?

During installation moment, a pop-up appears that states that the installer encountered unexpected problems and that there is something wrong with the package.  However, the problem occurs even when I try to install other programs that tell that this is not package specific issue. The error message shows two error codes 2503 and 2502. Help me to get rid of error 2503 and 2502 windows 10.

 Uninstalling or installing error occurs when there are issues with permissions and Temp folders in Windows. It appears that the two error codes are shown because the needed file or part of the software is not found or launched.

Users reported this problem with various programs, including Microsoft applications, PDF readers and other common apps. The error displays a pop-up message that tells the problem is with the RunScript or InstallFinalize. The issue can appear on Windows 7. 8 as well and therefore upgrading to Windows 10 is the problematic.

It is believed that error 2503 and 2502 windows 10 are caused commonly due to malware infections that lead system files corruption. It is possible to fix the affected files automatically by using PC Repair Tool.  There are other solutions also possible that you can check below.

Possible fixes for error 2503 and 2502 windows 10

Fix 1: Take ownership of the installer

  • Press Win+ E to open File Explorer,
  • On the left, click on This PC and select the drive where the Windows is installed,
  • Now, click on View and select Options on the right,
  • Under View tab, look for Hide Protected operating system files (Recommended),
  • Uncheck it and click on Yes option,
  • Click Apply and Ok to save the changes,
  • Now, double-click on Windows folder,
  • Navigate to the installer folder, right-click on it and select properties,
  • Go to the Security tab, and click Advanced,
  • Enter your administrator password and type the password again for confirmation,
  • Next to this, click on Change option beside owner,
  • Type ‘Everyone’ and click on Check Names and then Ok,
  • Now, click on Add> Select a principal,
  • Type ‘Everyone’, click on Check Names and then click Ok,
  • Click on Full Control the then and then click Ok,
  • Finally, click Apply and then OK to complete the process.

Fix 2: Register Windows Installer

  • Press Win+ R, type in msiexec /unreg and hit Enter,
  • Open the Run-dialogue box again and this time type msiexec /regserver and hit Enter,
  • That’s all! This would reinstall the Windows Installer,
  • Restart your device now and check if error 2503 and 2502 windows 10 reappear.

Fix 3: Alter permissions on Temp folders

  • Navigate to Windows temp folder,
  • Uncheck the Read-only button,
  • Now, go to the Security tab and choose Administrators,
  • Check if you see the checkbox next to the Full Control for the Administrators and Users group,
  • Click Apply and confirm with Ok.

Fix 4: Run Explorer.exe as Admin

  • Open Task Manager (use shortcut Ctrl+ Shift+ Esc),
  • Now, click on Explorer.exe, right-click on it and select End Task,
  • Now, click on File> Run and type Explorer.exe in the appeared Run-dialogue box,
  • Tick the option that says Create this task with administrative privileges and click on Ok button,
  • Try to install/ uninstall again and you will be able to do it now.
Conclusion

That’s all! We are now rounding off this article. We hope that these methods are really helpful for you in getting the fix for error 2503 and 2502 windows 10. Do share your views about the article on the below comment section.