How to Reinstall Oleacc.dll

1. Go to the free DLL download website and click "Download oleacc.dll."
2. Click "Save" in the confirmation pop-up to begin the download.
3. Right-click the saved "oleacc.dll" file and select "Copy." Go to the "Start" menu, click "My Computer" or "Computer," double-click the "C:" drive, double-click the "Windows" folder and then the "System32" folder. Right-click anywhere in a blank space and select "Paste." Click "Yes" to overwrite the existing file.
4. Go to the "Start" menu, type "run" in the "Start Search" box and hit "Enter." Type the following string in the search field (below) and hit "Enter" to register the oleacc.dll:Regsvr32 "C:\Windows\System32\oleacc.dll"
5. Restart your computer.