Excel cannot access BloombergUI.xla. The document may be read-only or encrypted.

Excel cannot access BloombergUI.xla

Issue Description:

When you launch Microsoft Excel 2016 you get below error message:

‘BloombergUI.xla’ cannot be accessed. The file may be corrupted, located on a server that is not responding, or read-only
Excel cannot access ‘BloombergUI.xla’. The document may be read-only or encrypted.
Excel cannot access BloombergUI.xla
Excel cannot access BloombergUI.xla

When Excel is Opened -> Bloomberg Tab -> When you click on Refresh then below error is displayed:

Excel cannot access BloombergUI.xla

Troubleshooting Steps

For troubleshooting this issue, you can perform below steps:

  • Make sure C:\blp and its subfolders are excluded from Anti-virus Scanning. Exclude it from whichever Anti-virus product you are using. For Example: SentinelOne or Defender.

For SentinelOne, Add the folder to exclusions in Interoperability mode as shown below:

Excel cannot access BloombergUI.xla
  • If you are using Windows Defender Anti-virus then Exclude c:\blp folder from Windows Defender Scanning using below commands. Execute below command from a Powershell console opened as administrator.

Powershell

Add-MpPreference -ExclusionPath "C:\blp"
  • Use setpermissions.exe to set the correct permissions on Bloomberg folders and bloomberg registry keys. Run this exe as administrator it automatically checks and fixes the permissions for you.
  • Launch setpermissions.exe as administrator.
Excel cannot access BloombergUI.xla. BLP Permissions
  • Click Next.
Excel cannot access BloombergUI.xla. BLP Permissions
  • Click Next.
Excel cannot access BloombergUI.xla. BLP Permissions
  • Click on Apply.
Excel cannot access BloombergUI.xla. BLP Permissions
  • Setting Permissions for Users…
Excel cannot access BloombergUI.xla. BLP Permissions
  • Click Finish.
Excel cannot access BloombergUI.xla. BLP Permissions
  • Click on OK.
Excel cannot access BloombergUI.xla. BLP Permissions

Next Steps

  • Click start -> Bloomberg folder -> Install Office Add-Ins to add the Add-ins to the profile.
  • Search Bloomberg API Diagnostics in start menu and run it. Start the diagnostics and check if there are any issues > fix the issues by clicking on Repair.
Excel cannot access BloombergUI.xla. BLP Permissions
  • Repair has been completed now. You should try again to see if the issue has been resolved now.
Excel cannot access BloombergUI.xla. BLP Permissions

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