Question
Issue: How to Fix Windows Installer Error Code 2755?
Since this is my first post on IT forum/blog EVER, it means that I really need your help. The problem is that whenever I try installing a Windows service or any app from the store, I receive a pop-up window, which says: The Installer has encountered an unexpected error installing the package. This may indicate a problem with this package. The error code is 2755.” This happens again and again and it seems that there’s no avail for me to get through this without doing nothing. Please provide fixes if there are any!
Solved Answer
If you receive a pop-up message that indicates an Error Code 2755, it means that there are some Windows Installer inconsistencies. This problem typically emerges on Windows 7 and Windows 10 OS when people attempt to install files, apps, drivers or other stuff. There are many speculations why this Windows Installer Error 2755 emerges, but specialists claim that usually it is triggered by virus/malware, corrupted/missing registries, missing Installer folder, and similar. Luckily, this error is fairly easy to fix so you should take some actions unless you don’t need software, apps, and system files so badly. If you are determined to fix Error Code 2755 on Windows right now, here are the fixes:
Fix 1. Run a full system scan with a professional malware removal tool
This is the simplest thing that you can do to remove Error Code 2755 pop-up. As noted above, this Windows Installer bug may be triggered by virus or malware that may have corrupted files and registries that are crucial for smooth Windows Installer performance. Therefore, enable your anti-virus or install one if you don’t have one and set it to check the system completely. If it detects any unwanted programs, select to remove each of them.
Fix 2. Run a PC optimization tool
In case antivirus scan did not remove Error Code 2755, it might be that malware has changed or removed registry keys, which is why your Windows system is, mildly saying, messed up. To fix that, you can use FortectMac Washing Machine X9 or an alternative system optimization tool.
Fix 3. Decrypt setup file
In some of the cases, Error Code 2755 emerges due to the encrypted setup file. Although this sound a bit complicated, in reality it’s fairly easy to deal with. You just have to:
- Find the setup file, right-click on it, and select Properties.
- Then select Advanced under Attributes.
- After that, find Compress or Encrypt attributes.
- If you see the tick placed alongside Encrypt contents to secure data notification, uncheck it and click OK to save the changes.
Fix 4. Create new user in the setup file
- Find setup file, right-click on it, and select Properties.
- Locate Security and click Edit.
- Find the list of Group or User names and press Add under it.
- Enter SYSTEM and click OK to create a new user.
- Set the permission to Allow for the SYSTEM user and click OK.
Hopefully, these methods helped you to get rid of irritating Error Code 2755 and now you’re able to install data that you prefer.
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Ugnius Kiguolis is the founder and editor-in-chief of UGetFix. He is a professional security specialist and malware analyst who has been working in IT industry for over 20 years.
