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Windows 7: Downloads have _ instead of . for extensions

06 Jan 2014   #1

Windows 7 Ultimate 64 bit
Downloads have _ instead of . for extensions

I have had several computers get this problem. When downloading and you get the run, save, cancel option at the bottom you can't click on run, and if you look at the file downloading it will have a _ where the . should be. This has happened on various sites, even trying to install adobe flash player and java on a fresh install of windows. Sometimes it won't let me save or cancel the download and I have to close the browser. Most of the time I have to restart the computer for it to work correctly. If you do get the file to save, rather than open you can change the (example) flash_exe to flash.exe and it will run correctly. Any suggestions would be appreciated.

My System SpecsSystem Spec
06 Jan 2014   #2

Win-7-Pro64bit 7-H-Prem-64bit

Hi most things I've read about the issue insists on a corrupt user account or a third party security blocking the extensions from being loaded properly ?
You test this by making a new administrator account and see if it works,
Or using the existing user account,
Use clean boot,
The ultimate test is using Safe mode with networking to see if windows and Internet explorer operates properly with downloads,
Another possibility is a virus,
Review Jacee’s instructions to run Adwcleaner here,
Ignore the title of the thread,
Instant Savings App
You can use these free tools to see if they find anything,
Manually Update them before running full scans,
Try not to use your computer while the scans are running, (one at a time of course).
Uncheck the box to Activate the Free trial from the final install options,
This one is the longest up to 4 hours, the others are only about 45 minutes,
My System SpecsSystem Spec
06 Jan 2014   #3

Windows 7 Ultimate 64 bit

I don't think it is a virus. I had a new build computer that I just installed windows on. The only thing other than installing windows was I installed all windows updates. After the computer rebooted from that the first thing I did was start to install adobe flash player. When it popped up the open, save, cancel box it was like this. Went ahead and hit save and changed it once it downloaded so I could install it. Maybe its some windows update that causes this. I just started getting this maybe within the last month. Guess I should go back to not installing windows updates.
My System SpecsSystem Spec

06 Jan 2014   #4

Win-7-Pro64bit 7-H-Prem-64bit

Most likely a Optional update,
ie11 is still a Optional windows update roll back to ie10 and text the issue,
My System SpecsSystem Spec
06 Jan 2014   #5

Windows 7 Ultimate 64 bit

I will try that and see what happens. Will probably be a few days before I know if this makes a difference. I kinda think one of the computers that did it still had 10 on it, but I can't be certain.
My System SpecsSystem Spec
06 Jan 2014   #6

Win-7-Pro64bit 7-H-Prem-64bit

No problem when ever you get the time,
You can read this as well which one of the features might be clashing with eset ?
Ie11 security improvements,
My System SpecsSystem Spec

 Downloads have _ instead of . for extensions

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