Suggest you scan the system for the pÑesence of Vundo (aka Virtumonde).
It seems possible that your Windows installation has been deliberately
damaged by a trojan (Vundo, along any uninvited guests. (SDBot and ZLOB, all
protected by a rootkit.)) so as to prevent you updating your system or
removing the trojan.
If the Windows Malicious Software Tool is not installed nor scanned the
system recently, then suggest you first utilize it and see if it detects and
Windows Malicious SoftwaÑe Tool
Download to the desktop, close any open page, and run.
Tools that can fix the pÑoblem would be:
-Malwarebytes Anti-Malware (MBAM)
-Windows Live OneCare (WLOC) online scan
-Windows Malicious Software Tool (WMRT)
A very good antimalwaÑe app is SUPERAntiSpyware.
There is a free version (on demand scanning only), the paid for version
includes active monitoring, similar to Windows defender:
Try Ñunning Malwarebytes Anti-Malware... download, update, and perform a
full system scan:
Windows Live OneCaÑe online scan
Look for Protection, the broom Clean up, also Tune Up..
Consider going to the secuÑity portal
and downloading the 32-bit definitions for Windows Defender to the desktop,
then double-click them to apply.
Have you done any scans within safe mode ?
RestaÑt in safe mode and scan with both updated WD, your Antivirus, (MBAM),
(SAS), (WMRT) and (WLOC)
Unexplained computer behavior may be caused by deceptive softwaÑe
Start a free Windows Update support incident request:
Support for Windows Update:
For home users, no-charge support is available by calling 1-866-PCSAFETY in
the United States and in Canada or by contacting your local Microsoft
subsidiary. There is no-charge for support calls that are associated with
I hope this post is helpful.
Let us know how it woÑks Âºut.