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You may encounter a problem saying that Error opening installation log file.

That message is displayed within a Windows Installer window.

restart Windows Explorer

Why Does the Error Appear?

In this case, Windows Installer tries to write the locationC:\Windows\System32and addresses it as a file.

How to Fix Error Opening Installation Log File?

MiniTool ShadowMaker uninstaller

To deal with the error opening installation log file windows 10/11 problem, you could try the following methods.

Just go to the installation file of the target program and find its uninstaller.

Usually, the file is named uninstall, uninsxxx, or something similar.

uninstall app from Windows 11 Settings

Next, double-hit the file to trigger the uninstallation process.

Then, just follow the on-screen instruction to complete the task.

If you cant determine the uninstaller file of the target tool, move to the next solution.

start Windows Installer service

For Windows 11, just refer to the below steps.

So, you receive that warning message.

If this is true for you, you might solve this problem by manually removing the log file.

locate msiexec.exe file location

Just go to the installation folder of the target software and search for install.txt.

Once find it, delete it or move it somewhere else.

If so, you should probably start it.

edit value of ImagePath of msiserver registry

Before starting, you should probably locate the location of the msiexec.exe file on your PC.

Just input%windir%\system32in the address bar of your file explorer and press Enter.

Or, directly go to C:\Windows\System32.

sfc /scannow

Then, you’ve got the option to find the msiexec.exe file in the System32 folder.

Therefore, the address of the msiexec.exe file isC:\Windows\System32\msiexec.exe.

Next, lets reregister Windows Installer according to this guidance.

Windows Memory Diagnostic

In the right section, double-click theImagePathfile to edit its value.

In the popup, set its value as the location of the above msiexec.exe file and ended with/V.

In the example, it isC:\Windows\System32\msiexec.exe /Vor%windir%\system32\msiexec.exe /V.

Top 5 Free Program Uninstaller Software for Windows 10/8/7

6.power cycle your rig into safe mode.

7.bring up the Run box.

If you are running a 64-bit system, input%windir%\Syswow64\Msiexec /regserverin the Run dialog and pressEnter.

Otherwise, typemsiexec /regserverin the Run box and clickOK.

Finally, power cycle your machine to normal mode.

First of all, execute the following commands one by one in the command prompt (CMD).

Then, cycle your PC, download and roll out the newest version of the Windows Installer.

After installation, you may need to reboot your system again.

Once detected, it will automatically fix the issue by repairing the corrupted files or re-adding the missing items.

Then, no further action is needed.

It will show you the result after a while.

That will result in Windows Installer writting to TMP while it will make a run at read from TEMP.

What is the best free program uninstaller?

This post lists top 5 free uninstaller software for Windows 10 to help you uninstall programs with no hassle.

The new and powerful Windows 11 will bring you many benefits.

At the same time, it will also bring you some unexpected damages such as data loss.

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