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General Category => FAQ on games, gaming & IT => Topic started by: kat on March 22, 2016, 01:02:03 PM

Title: Video Studio won't start after Windows Update
Post by: kat on March 22, 2016, 01:02:03 PM
[image courtesy Corel]
Problem
Corel Video Studio (Pro) won't run after Windows Update (For Feb/Mar 2016) has been run. Program also does not respond to being placed in Compatibility or other mode (right-click vstudio.exe, select "Compatibility"). The issue is caused by a number of updates to a Windows sub-system that essentially breaks a link in the necessary chain of events needed by Video Studio (Pro). Problem appears to affect Windows 7, Windows 8/8.1 and Windows 10 to a lesser degree.

Solution
A 'HotFix' for Video Studio x7 or above is available from Corel here (http://howto.corel.com/en/c/VideoStudio_Pro_-_Patches_and_Updates).

For Video Studio x6 or below, or in instances where a HotFix cannot be utilised, try uninstalling the following Windows Update files (important: Corel no longer supports v6);

For Video Studio (Pro) x7 and above uninstall 3126587 (https://support.microsoft.com/en-us/kb/3126587) and 3126593 (https://support.microsoft.com/en-us/kb/3126593). For Video Studio x6 or below 3140410 (https://support.microsoft.com/en-us/kb/3140410) may additionally need to be removed. Be sure to disable or 'hide' removed updates to prevent their re-install on reboot. For Windows 7, 8 and 8.1 updates this may necessitate switching Windows Update to 'manual'.

To see and uninstall Windows 7 updates;
- from "Control Panel" select "Programs" then under "Programs and Features" click "View installed updates".

To see and uninstall Windows 8/8.1 updates;
- from "Control Panel" select "Programs" then under "Programs and Features" select "View installed updates" bottom-left.

To see and uninstall Windows 10 updates;
- click "Start", then the "Settings" icon, then "Update & Security". On the "Windows Update" page select "Advanced Options" bottom of the page, then on "View your update history" on the following page. Click "Uninstall Updates" top of the page to remove.



Alternative Solution
An unsupported/unofficial 'fix' (which may be removed as a result) is available for Video Studio v6 or v5 users here (http://forum.corel.com/EN/viewtopic.php?f=1&t=59131). Download "MUIHelper.zip" and extract the contents. Copy the included file "MUIHelper.dll" to the root directory of Video Studio (Pro), typically "Program Files/Corel/..." - this overwrites an existing file of the same name, rename the original to archive it before copying over the new file. Video Studio should now start (note it may also be possible to install the previously removed updates).