How to Fix Installer Error in Star Citizen on PC?

Are you frustrated with the persistent Installer Error in Star Citizen, especially when trying to log into the PTU (Public Test Universe) or launch the game? You’re not alone. Many users encounter this issue, and we’re here to help you troubleshoot and fix it. Let’s delve into the potential causes and effective solutions to get you back into the immersive universe of Star Citizen.

Understanding the Installer Error

The Installer Error commonly occurs during attempts to log into the PTU or initiate the game. Users have reported encountering this problem consistently, hindering their gaming experience. Let’s explore the diverse factors that may trigger this error and the steps to resolve them.

Common Causes of Installer Error

Corrupted Data in USER Folder:

Common Causes of Installer Error
  • One prevalent cause involves file corruption in the USER account of Star Citizen. Navigate to the USER folder manually, typically located at C:\Program Files\Roberts Space Industries\StarCitizen\, and clear its contents to resolve this issue.

Incompatible Launcher:

  • Using the wrong launcher version can lead to compatibility issues. Ensure everything related to Star Citizen is installed in the same folder and always use the latest game launcher to prevent such issues.

Corrupted APPDATA Folders:

  • Security suite interference or interrupted installations may corrupt RSI or RSILauncher folders. Manually delete these folders to rectify potential issues.

Scattered Game Files:

  • Miscommunications between game modules due to scattered installations can cause errors. Uninstall and reinstall Star Citizen conventionally in the same folder to resolve this communication breakdown.

Logical Error on SSD Drive:

  • If using a dedicated SSD and facing installation issues, a logical error might be the culprit. Formatting the SSD and reinstalling Star Citizen could be the only effective solution.

Fixing Installer Error – Step by Step

Fixing Installer Error - Step by Step

Method 1: Deleting the USER Folder

  • Close Star Citizen and ensure no associated processes are running.
  • Navigate to C:\Program Files\Roberts Space Industries\StarCitizen\.
  • Double-click on the USER folder, select all (Ctrl + A), and delete.
  • Empty the Recycle Bin.
  • Launch the game, complete login, install updates, and check for the error.

Method 2: Using the NEW Launcher

  • Close the game and ensure no associated processes are running.
  • Download the latest game launcher.
  • Install it in the same location as the main game files.
  • Launch the game, install updates, and check for the error.

Method 3: Deleting RSILauncher and RSI Folders from %APPDATA%

  • Press Windows key + R, type %appdata%, and press Enter.
  • Locate and delete folders named rsilauncher and RSI.
  • Launch the game, attempt the update, and check for the error.

Method 4: Reinstalling the Game on a Different Location

  • Press Windows key + R, type appwiz.cpl, and press Enter.
  • Locate Star Citizen, right-click, and choose Uninstall.
  • Restart your computer.
  • Download the game from the official page, install, and check for the error.

Method 5: Formatting your SSD (if applicable)

  • Press Windows key + R, type diskmgmt.msc, and press Enter.
  • Right-click on the SSD drive, choose Format, and follow the prompts.
  • Install the game again and check for the error.

Frequently Asked Questions (FAQs)

Q1: Is the USER folder deletion safe?

Yes, it is safe. Deleting the USER folder removes temporary files associated with your user account, often resolving file integrity issues causing the Installer Error.

Q2: Why should I use the latest launcher?

Using the latest launcher ensures compatibility with the current game version, preventing potential conflicts and errors during updates.

Q3: How do I access the hidden AppData folder?

Press Windows key + R, type %appdata%, and press Enter. If the folder is hidden, enable “Hidden Items” in File Explorer’s View menu.

Q4: Why reinstall on a different location?

Reinstalling in a different location may bypass registry key issues, potentially resolving the Installer Error.

Q5: Is formatting the SSD necessary?

Formatting the SSD is a last resort. It resolves logical errors that might persist after failed installations, ensuring a clean slate for Star Citizen.


Resolving the Star Citizen Installer Error requires a systematic approach. Try the methods outlined above to eliminate potential causes and get back to exploring the vast universe of Star Citizen. If the issue persists, you might want to reach out to Star Citizen support for further assistance. Happy gaming!

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Mark is a cyber security enthusiast. He loves to spread knowledge about cybersecurity with his peers. He also loves to travel and writing his travel diaries.