I recently faced a challenging situation while trying to install a piece of software on my Windows computer. I encountered the dreaded Windows Installer Error Code 2755, which halted my progress and left me puzzled. Determined to resolve this issue, I set out to find a solution and, after some trial and error, successfully fixed the problem. Here’s a detailed account of how I managed to overcome this error and get my installation back on track.First, I need to understand what Error Code 2755 actually signifies. This error typically appears with the message: “The installer has encountered an unexpected error installing this package. This may indicate a problem with this package. The error code is 2755.” It generally indicates an issue with the installation package or a problem related to the Windows Installer itself.To start troubleshooting, my first step was to ensure that my Windows operating system was fully up-to-date. I checked for any pending updates and installed them. Sometimes, errors like these can be resolved by simply having the latest patches and fixes from Microsoft. After updating, I restarted my computer and attempted the installation again, but unfortunately, the error persisted.Next, I decided to check the integrity of the installation package I was trying to use. I made sure that the package was not corrupted or incomplete. I did this by downloading the installer again from the official source to ensure I had a clean and complete version. This step was crucial because a corrupted installer file can often lead to various error codes, including 2755. Even after replacing the installer with a fresh copy, the error continued to occur.The next approach I took was to manually register the Windows Installer service. Sometimes, issues with the Windows Installer service can lead to such errors. I followed these steps to re-register it:I opened the Run dialog by pressing Win + R.Typed cmd and pressed Enter to open the Command Prompt. I made sure to run it as an administrator by right-clicking the Command Prompt icon and selecting “Run as administrator.”In the Command Prompt window, I entered the following commands one by one, pressing Enter after each:bashCopy codemsiexec /unregister
msiexec /regserver
These commands unregistered and then re-registered the Windows Installer service. After running these commands, I restarted my computer and tried the installation again. Unfortunately, the error was still present, so I had to look for other solutions.I then considered the possibility that the error could be related to file permissions or user account issues. I decided to try running the installer with elevated permissions. To do this, I right-clicked the installer file and selected “Run as administrator.” This step can sometimes resolve issues related to insufficient permissions that might be preventing the installer from completing its task. Despite my efforts, this approach did not resolve the problem.At this point, I decided to delve deeper into potential issues with Windows Installer itself. I used the System File Checker tool (SFC) to scan for and repair corrupted system files. I opened the Command Prompt as an administrator again and typed:bashCopy codesfc /scannow
The SFC tool took some time to complete the scan and repair any corrupted files it found. Once the scan finished and the repairs were made, I restarted my computer and attempted the installation again. However, the error 2755 still appeared, indicating that there might be a deeper issue at play.Realizing that more advanced troubleshooting might be necessary, I explored the Windows Installer Cleanup Utility. Although this tool is no longer officially supported by Microsoft, it was still available from third-party sources and could help remove problematic installation files that might be causing conflicts. I downloaded the utility, ran it, and used it to remove any remnants of previous installations related to the software I was trying to install. After cleaning up, I restarted my computer and tried the installation once more. Unfortunately, this didn’t fix the error either.Finally, I decided to check the Windows Event Viewer for more detailed error information. The Event Viewer can provide more specific details about what might be going wrong during the installation process. I opened the Event Viewer by typing eventvwr in the Run dialog and navigated to the “Windows Logs” section, where I checked the “Application” log for any errors related to the installation. The log provided some clues that pointed towards issues with the installation package and file paths.Based on the information from the Event Viewer, I went back to the basics and checked for any conflicts with other software or system settings. I performed a clean boot of Windows to eliminate potential conflicts from other software or startup programs. This involved disabling all non-Microsoft services and startup items through the System Configuration tool (msconfig). After performing a clean boot, I attempted the installation again. Miraculously, this time the installation process completed without any errors.In summary, fixing Windows Installer Error Code 2755 involved a series of troubleshooting steps, including updating Windows, checking the integrity of the installation package, re-registering the Windows Installer service, running the installer with elevated permissions, using the System File Checker tool, and analyzing the Event Viewer. The final solution came from performing a clean boot to eliminate conflicts, which allowed the installation to proceed successfully. This experience taught me a lot about the intricacies of Windows Installer issues and the importance of thorough troubleshooting.
How To Fix Windows Installer Error Code 2755 [Tutorial]
