In Feburary 2016 07,
Click the 'Start' button in Windows and expand the 'All Programs' folder. Click the 'Windows Update' link that appears in the first program column. This will launch Microsoft Internet Explorer.
Click the 'Express Install' button. Windows will begin searching for all important updates that you have yet to install, which will take a few minutes.
Click the 'Install Updates' button if Windows finds any important updates for your computer. The updates will begin downloading and installing immediately, but the process can take some time.
Reboot your computer when prompted to do so after the installation process concludes.
See if problems related to winhttp.dll still occur. If they do not, the updates likely fixed the problem, as updated versions of this file are included with most service pack updates for most versions of Windows. If you're still having problems, try the next section on restoring the last working version of winhttp.dll.
Restore the Last Working Version
Click the 'Start' button in Windows. Expand 'All Programs,' then 'Accessories' and then 'System Tools.' Click 'System Restore.'
Click the bubble next to 'Restore my computer to an earlier time' and then click the 'Next' button.
Select a restore point from the calendar by clicking on a bold date. If you just started experiencing problems suddenly, perhaps after installing conflicting software or getting a virus, choose a restore point from right before you started having problems. If you think the problem may have been there for some time, use the 'Back' button next to the calendar to scroll back to the earliest restore point. After you click a restore point, click the 'Next' button.
Read the restore details on the confirmation screen; then click the 'Next' or 'Finish' button. The computer will restore itself and reboot automatically, which may take several minutes.
Click 'OK' in the confirmation dialog box that appears after Windows starts up. See if you still have problems related to winhttp.dll. If you do, the best solution may be to replace the file manually. Find these instructions in the final section.
Replace Winhttp.dll Manually
Use your Web browser to navigate to a site where you can download winhttp.dll for free. You can find a link to a reliable download site in the Resources section.
Click the download link, save the file to your hard drive and open it. It will open in WinZip or your equivalent unzipping software. Unzip the winhttp.dll file to your desktop.
Double-click the 'My Computer' icon; then navigate to the system folder. If you're using Windows XP or Vista on a 64-bit system, this folder is at 'C:\Windows\SysWOW64.' If you're using either of those operating systems on a 32-bit system, the folder is at 'C:\Windows\System32.' In Windows NT and 2000, the folder is located at 'C:\WINNT\System32.' Finally, in Windows 95, 98 and Me, it's at 'C:\Windows\System.'
Drag the winhttp.dll file from the desktop into the system folder. If you see a prompt asking you whether or not you want to replace the existing file with the new one, click 'Yes.'
Restart Windows. Upon boot-up, Windows will register the new .dll file automatically, and you should be able to use Web- and network-related software normally.
In Feburary 2016 07,
Showing posts with label updated. Show all posts
Showing posts with label updated. Show all posts
Sunday, 7 February 2016
Thursday, 4 February 2016
How to Troubleshoot Mac USB IssuesIn Feburary 2016 04,
In Feburary 2016 04,
Check that the USB device is connected to the appropriate jack. There is a USB jack in the back of most keyboards, but it often only works with a mouse.
Unplug any USB devices and wait a few moments before reconnecting them. You can often fix problems with your USB keyboard and mouse by using this method. Try restarting your computer if the malfunction persists after you reconnect the USB device.
Test your USB peripherals in another computer. If the problem exists in the second computer, you may need to have the device serviced or look for an updated version of the firmware that supports your USB item. Check the manufacturer's website for these updates.
Try different devices in the same USB port. For example, if your mouse if behaving strangely, see whether an external drive or an iPod is able to connect to the computer via that USB port.
Disconnect any USB hubs that you're using and connect each device one at a time to your computer. You need to troubleshoot the devices individually to find out whether the USB hub or the one of the devices is causing the problem. Be sure to test each peripheral with a working USB cable.
Reset the parameter random access memory (PRAM) and nonvolatile RAM (NVRAM) on your computer. Turn off your computer, then restart it and immediately press and hold the 'Command,' 'Option,' 'P' and 'R' keys on the keyboard. Release the keys after you hear the startup chime for the third time and your computer should boot normally.
Consider reinstalling the operating system after clearing your computer's hard drive. Be sure to back up all of your data before you erase the disc. You may also want to bring the computer to a Mac service center and have the logic board examined.
In Feburary 2016 04,
Check that the USB device is connected to the appropriate jack. There is a USB jack in the back of most keyboards, but it often only works with a mouse.
Unplug any USB devices and wait a few moments before reconnecting them. You can often fix problems with your USB keyboard and mouse by using this method. Try restarting your computer if the malfunction persists after you reconnect the USB device.
Test your USB peripherals in another computer. If the problem exists in the second computer, you may need to have the device serviced or look for an updated version of the firmware that supports your USB item. Check the manufacturer's website for these updates.
Try different devices in the same USB port. For example, if your mouse if behaving strangely, see whether an external drive or an iPod is able to connect to the computer via that USB port.
Disconnect any USB hubs that you're using and connect each device one at a time to your computer. You need to troubleshoot the devices individually to find out whether the USB hub or the one of the devices is causing the problem. Be sure to test each peripheral with a working USB cable.
Reset the parameter random access memory (PRAM) and nonvolatile RAM (NVRAM) on your computer. Turn off your computer, then restart it and immediately press and hold the 'Command,' 'Option,' 'P' and 'R' keys on the keyboard. Release the keys after you hear the startup chime for the third time and your computer should boot normally.
Consider reinstalling the operating system after clearing your computer's hard drive. Be sure to back up all of your data before you erase the disc. You may also want to bring the computer to a Mac service center and have the logic board examined.
In Feburary 2016 04,
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