There are some simpler things which may resolve some of these problems without taking the drastic measures suggested previously.
Please run AdwCleaner
Please download AdwCleaner and install it.
When AdwCleaner opens you will see an image like the one below.
Click on Scan to start the scan.
Once the search is complete a list of the pending items will be displayed. If you see any which you do not want removed, remove the check mark next to it.
If there are no malicious programs are found you will receive the following message.
Click on Clean to remove the selected items. If you have any questions about any items in the list please copy and paste the list in your topic so we can review it.
You will receive a message telling you that all programs will be closed so that the infections can be removed. Click on OK. The computer will be restarted to complete the cleaning process.
When the cleaning process is complete a log of what was removed will be presented. Please copy and the paste this log in your topic.
Please download and install Junkware Removal Tool.
Open your browser and go to Downloads, then click on the Junkware Removal Tool to install it.
Click on Run to initiate the installation.
To avoid potential conflicts, temporarily disable your antivirus and firewall. You will want to be offline when you do this.
Run the tool by double-clicking it. If you are using Windows Vista, 7, or 8; instead of double-clicking, right-mouse click JRT.exe and select Run as Administrator.
The tool will open and start scanning your system.
Please be patient as this can take a while to complete depending on your system's specifications.
On completion, a log (JRT.txt) is saved to your desktop and will automatically open. Copy and this and then post this in your topic.
De-fragment you mass storage if it is a hard disk drive.
Use the Disk Cleanup Tool.
Please download Temp File Cleaner by Old Timer and save it to your desktop.
1. Save any unsaved work. (TFC will close ALL open programs including your browser!)
2. Double-click on TFC.exe to run it.
3. Click the Start button to begin the cleaning process and let it run uninterrupted to completion.
4. After Temp Flie Cleaner has run, click on Exit.