There are many reasons for this issue occur. Here are some causes:-

Game files are corrupted – There is a possibility that your game files get corrupted by any kind of Viruses or Malware on your computer.Download files missing – It is possible that when you’re game is downloading your Power went off and some files might get missed by Steam.Download files corrupted – There is a chance that your download files get corrupted by the Windows defender after they’re downloaded.

Now that we know the causes let’s jump straight to the solutions!

Run Steam with Administrator privileges

First of all, we are going to run Steam as an administrator. This should give Steam enough privileges to delete, change and modify files that aren’t accessible without an administrator. Here are the steps to grant administrator rights to Steam:- Check to see if the issue persists if it still occurs then you can follow the methods shown below.

Repair the Steam library folder

Steam will check the library folder you’re willing to repair and make sure that there are no corrupted files. Then it will repair the files if possible which are corrupted.

Verify the Integrity of game files

Verifying game files can also fix this issue for you if the game files are damaged or missing Steam won’t be able to update the game properly and it will show you the “Missing Downloaded Files” Error code Instead. Here are the steps to verify game files integrity:-

Disable Antivirus Temporarily

Sometimes when you’re downloading a game on steam your antivirus may cause some issues when steam is writing files on your computer. It may delete or modify your game files which can cause steam missing downloading files issues. To disable your antivirus you can check our detailed guide here.

Temporary disable controlled folder access

Controlled folder access protect your windows from ransomware and malicious programs but sometimes it interferes with authorized programs like Steam which can make some files read-only which causes problem like missing downloaded files error. Here are the step to Temporary disable controlled folder access:-

Clear download cache

Basically, when you download or update your game on steam it will go through the download cache folder and sometimes files get corrupted and cause problems for future downloading files. To clear the download cache here are the steps:- If this doesn’t work for you, you can also try flushing Steam’s configuration. You can check the steps here.

Move your game directory

Moving your game from one drive to another can help this issue to get fixed. Because this method will relocate and reconstruct the files. To move your game directory here are some steps to follow:-

Delete downloading Steam folder

By deleting the downloading folder of steam all the corrupted and damaged files get removed and steam will download fresh files instead of them To delete downloading steam folder here are some steps to follow:-

Reinstall the game

If it doesn’t fix till now your last option is to reinstall your game Here are the step to reinstall your game:- If none of these methods didn’t fix your problem try contacting steam they will help you to fix the issue you’re facing.

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