Hi, I don't know if my situation is unique. I've been trying to find answers to no avail. This is what happened. One of the computers at the office had a virus (olhrwef.exe and all other resulting files). The computer already had the removable drives disabled while the malware was still there:

1) when you insert a usb flash drive, the computer recognizes it as unformatted (file system in RAW) and asks if the drive should be formatted.

2) when you insert a cd in the drive, it does not read its contents and displays blank in the explorer.

Note that these removable media can be read normally when inserted in other computers (the contents of the flash drives, cd's can be seen if inserted in other pc's)

I already removed the malware successfully using various tools and registry tweaking but all removable media still cannot be read on this pc.

Are there any registry entries that can be edited to fix this? Please help if anyone knows how to enable all the removable media again. Thank you in advance!

Hi gothdaddee,

Try going through Device Manager and uninstalling USB root hubs, then restart the computer. The reboot should automatically reinstall the USB hub devices.

Also, you can check your services:
Start -> Run -> services.msc

Then search for:
Plug and Play
Universal Plug and Play Device Host

Make sure they are started.

Best regards,

subexpression

1. subexpression Says:
   May 31st, 2009 at 10:12 am

   Hi gothdaddee,

   Try going through Device Manager and uninstalling USB root hubs, then restart the computer. The reboot should automatically reinstall the USB hub devices.

   Also, you can check your services:
   Start -> Run -> services.msc

   Then search for:
   Plug and Play
   Universal Plug and Play Device Host

   Make sure they are started.

   Best regards,

   subexpression
   References :