Has anyone successfully upgraded SuiteCRM to 7.7.5

SuiteCRM Forum - English Language Installation & Upgrade Help
#1

I am trying to upgrade from 7.5.3 to 7.7.5 but failing. After lot of learning over

  1. Upload Blank Screen Error,
  2. Suhosin Error
  3. Cache Problem

I feel things on track but stucking on below screen and not finding any help in the regard. Has anyone successfully upgraded or help me in solving the problem?

Following is the log of updateWizard.log

Tue, 04 Oct 2016 19:56:24 +0530 [UpgradeWizard] - updating UpgradeWizard code: modules/UpgradeWizard/SugarMerge/SugarMerge.php
Tue, 04 Oct 2016 19:56:24 +0530 [UpgradeWizard] - updating UpgradeWizard code: include/Localization/Localization.php
Tue, 04 Oct 2016 19:56:26 +0530 [UpgradeWizard] - updating UpgradeWizard code: include/Localization/Localization.php
Tue, 04 Oct 2016 19:56:26 +0530 [UpgradeWizard] - updating UpgradeWizard code: ModuleInstall/PackageManager/PackageManager.php
Tue, 04 Oct 2016 19:56:27 +0530 [UpgradeWizard] - updating UpgradeWizard code: ModuleInstall/PackageManager/PackageController.php
Tue, 04 Oct 2016 19:56:27 +0530 [UpgradeWizard] - updating UpgradeWizard code: ModuleInstall/PackageManager/ListViewPackages.php
Tue, 04 Oct 2016 19:56:27 +0530 [UpgradeWizard] - updating UpgradeWizard code: ModuleInstall/ModuleInstaller.php
Tue, 04 Oct 2016 19:56:27 +0530 [UpgradeWizard] - updating UpgradeWizard code: include/SugarTheme/SugarTheme.php
Tue, 04 Oct 2016 19:56:27 +0530 [UpgradeWizard] - updating UpgradeWizard code: include/Localization/Localization.php
Tue, 04 Oct 2016 19:56:28 +0530 [UpgradeWizard] - updating UpgradeWizard code: include/upload_file.php
Tue, 04 Oct 2016 19:56:28 +0530 [UpgradeWizard] - updating UpgradeWizard code: include/upload_file.php
Tue, 04 Oct 2016 19:56:30 +0530 [UpgradeWizard] - updating UpgradeWizard code: include/utils/sugar_file_utils.php
Tue, 04 Oct 2016 19:56:30 +0530 [UpgradeWizard] - finding new files for upgrade