Fix Rainbow Six Siege Error Windows Cannot Access The Specified Device Path Or File
Fix Rainbow Six Siege Error Windows cannot access the specified device, path, or file. You may not have the appropriate permissions to access the item
Step 1) Restart your PC
Step 2) Update Windows
Step 3) Run the game as an administrator
Step 4) Uninstall and reinstall BattlEye
Step 5) If you have Bullguard anti-virus, then go to advanced settings, then under "General - Main" uncheck the box that says "allow bullguard to protect its components against termination". You'll have to restart your PC
Step 6) Allow the game exe file to your antivirus program such as Avast, Norton, Bitdefender, Mac A Fee, F-secure, Spybot, Eset and HitmanPro antiviruses
Step 7) Windows Insider Program users: Go to windows update settings and find the "Recovery" option. Use the "Go back" option to revert to the previous insider build.
Step 8) If you have any game which has Battleye (PUBG/fortnite) the rename the BEService_x64.exe for Rainbow Six Siege and the copy the BEService_x64.exe from another game and paste it to the Rainbow Six Siege
Step 9) Take the ownership of Steam Folder/Ubisoft folder
Step 10) Verify the game files
Step 11) Reset your PC (You will lose all the data and application)