The Tool Desk
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Which launcher should you use?
Use the file-checking feature in the launcher that manages your Siege installation. Ubisoft lists Ubisoft Connect PC, Steam, and Epic Games Launcher as launchers where game files can be verified; the detailed Steam steps below apply to the Steam installation. A launcher’s verification control is intended for the copy it manages.
Verify Rainbow Six Siege files in Steam
- Restart your computer, then open Steam.
- Open Library and locate Rainbow Six Siege.
- Open the game’s Properties. Steam says you can right-click the game or use the gear icon on its Library page.
- Select Installed Files.
- Click Verify integrity of game files.
- Wait for Steam to finish. The check may take several minutes.
These are Steam’s published verification steps: Steam Support: Verify Integrity of Game Files.
Verify Siege files in Ubisoft Connect PC
Ubisoft confirms that Rainbow Six Siege file verification is available through Ubisoft Connect PC and includes it in troubleshooting for Ubisoft Anti-Cheat issues. It also explains that missing or corrupted Windows dependency files can contribute to crashes or performance problems. See Ubisoft Help: Verifying game files.
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The current Ubisoft Help information does not establish the exact Ubisoft Connect menu labels or click sequence, so this article does not give an unverified path. In Ubisoft Connect PC, use the game’s current file-verification control if it is available for your installation. If you cannot find it, consult Ubisoft’s current help for your version of the launcher rather than relying on an old menu guide.
What Steam’s verification result means
Steam may report that one or more files failed to verify. That message does not automatically mean the installation is broken: Steam says this can be normal for most games because some files may be local configuration files that should not be replaced. Steam says the notice can safely be ignored in that circumstance. If Siege still has the same problem, follow troubleshooting for the specific crash, launch, or anti-cheat error rather than treating the verification message alone as a diagnosis.
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Before and after the check
- Avoid verifying while other system-intensive work is running, such as drive defragmentation or a virus scan.
- Do not verify multiple games at the same time.
- Verification checks game files; it is a repair or diagnostic step, not a guarantee that every launch or anti-cheat problem will be fixed.
- If the issue persists, use current official troubleshooting that matches the specific error. Ubisoft’s BattlEye FAQ is dated July 27, 2016, so treat its instructions as legacy guidance, not as proof of today’s launcher interface: Ubisoft’s Siege BattlEye FAQ.
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