Boolean Custom.Software.QUpgradeHelper.CanUpgrade() – Air Photos Install Failed

Posted on May 28, 2020 by Webmaster

When trying to install the Air Photos, you may get this error: Quickmap Air Photos Install Failed Method not found: ‘Boolean Custom.Software.QUpgradeHelper.CanUpgrade()’. This occurs when there is a difference in version (or date) between the QUpgrade.dll and the QExpansionSetup.exe (or V8_ExpansionSetup.exe). Continue reading Boolean Custom.Software.QUpgradeHelper.CanUpgrade() – Air Photos Install Failed→

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Tag Archives: QUpgrade.dll

Boolean Custom.Software.QUpgradeHelper.CanUpgrade() – Air Photos Install Failed