As it turns out, there are several different causes that might end up triggering the Installer Error in Star Citizen:
Method 1: Deleting the USER folder
As it turns out, a lot of affected users that were also encountering this problem have managed to fix the issue by accessing the game folder (Robert’s Space Industries) and deleting the USER folder. This operation is confirmed to work the majority of file integrity issues that might cause the Installer Error with Star Citizen. If you think this scenario is applicable, follow the instructions below to clear the temporary files associated with your user account and resolve the error inside Star Citizen: In case you still end up encountering the same Installer Error, move down to the next potential fix below.
Method 2: Using the NEW launcher
Some affected users have managed to fix this problem by using the newest launcher version and ensuring that it is moved in close proximity to the other games files. As it turns out, this problem might occur if you’re using a launcher that’s not compatible with the current game version of Star Citizen or in case the launcher file that you’re using is stored in a separate location from the game. If this scenario is applicable, you should be able to resolve the issue by downloading the latest game launcher and installing it in the same location as the main game files. Note: Before you initiate this procedure, ensure that the game is completely closed and no associated process is running in the background. Once the installation is complete, launch the game once again, install every pending update and see if the same problem is still occurring. In case the same issue repeats, move down to the next potential fix below.
Method 3: Deleting the RSILauncher and RSI folders from %APPDATA%
As it turns out, this problem can also occur in instances where the problem is actually caused by one or two temporary folders that the game’s installer creates when an update is handled. Under certain circumstances, these folders might become corrupted and effectively prevent the game launcher from updating your game version with any new pending updates. Several affected users have confirmed that this operation was the only thing that finally allowed them to complete the pending update and play the game without seeing the Installer Error. If you’re unsure on how to delete the RSILauncher and RSI folders from the Appdata folder, follow the instructions below: In case the operation is still halted by the same Installer Error, move down to the next potential fix below.
Method 4: Reinstalling the game on a Different Location
If you’re trying to troubleshoot this issue and none of the issues above have worked, you should also try reinstalling the game in a different location (something other than the default patch) and ensuring that you have plenty of space left (over 60 GB). Several affected users that were previously facing the same problem have confirmed that doing the reinstallation on a different location finally allowed them to circumvent the Installer error. There’s no official explanation on why this is effective, but some affected users are suspecting that this method goes around a hard-coder registry key that actually creates the error. If this scenario looks like it could be applicable, follow the instructions below to reinstall the game conventionally in a different location: In case you’re still encountering the Installer error and you have installed the game on a dedicated SSD, follow the next method below.
Method 5: Formatting your SDD (if applicable)
In case you’re using a custom SSD drive solely for the purpose of storing game installation folders, you might be able to fix the problem by reformatting your current SSD. This might seem like an unnecessary thing to do, but this potential fix was confirmed to be effective by several different users that were previously seeing the Install Error. Some users that got this resolved are reporting that this problem was actually caused by some type of logical errors brought about by some of the game updates. Unless you’re willing to re-install the game on a different drive, the only documented fix that is confirmed to resolve the problem is to format your gaming purposed SSD. Note: If you have any sensitive data, saved games, and another stuff that you are not willing to lose, back up your drive in advance before initiating the procedure below. if you are ready to format your SSD (as a secondary drive) in an attempt to fix the Installer error in Start Citizen, follow the instructions below:
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