Hello and welcome to JustAnswer. I look forward to assisting you today with your question and providing the best answer possible.

Please try this: turn off your computer. Then turn it on, and right after the black screen with white text or the computer company logo disappears, press & release key F8 repeatedly until a menu appears, then you select Safe Mode with Networking (note: if there is no menu, then try the same steps again, but this time, press key F8 a bit earlier). Then login and click Start->all programs->accessories->system tools->system restore and restore the computer to any date before this issue has occurred to see if system restore works or not. Then just continue the following:

Next, please go to Safe Mode with Networking again, then click below and click on Download Latest Version, to download and install the Malwarebytes Anti-malware software. Then scan your computer:
http://www.filehippo.com/download_malwarebytes_anti_malware/
(Do not buy anything; just use its free feature.)

, then restart the

Next, download and install the Revo Uninstaller program at
http://www.revouninstaller.com/start_freeware_download.html
, then open it, and select the program you want to remove, then click on Uninstall
, then select the Advanced option , then select all whenever prompted, and delete and confirm
, then restart the computer, and check.

Please let me know if there is still any issue later. Thank you.