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This article shows the difference between Upgrade Warnings & Upgrade Blocks and how you can fix them if you encounter them when upgrading to Windows 7/8/10.
Windows upgrade warnings to upgrade blocks
When upgrading to Windows, Setup performs compatibility checks. If it detects problems that could affect the smooth running of the upgrade process, they are noted in the Compatibility Report.
This file is saved under Windows Compatibility Report.htm on your desktop.
If the compatibility report identifies a problem that seriously affects the upgrade process and may even lead to an undesirable result, it issues an upgrade warning.
This indicates that the upgrade may continue, but with undesirable effects on your configuration.
If the warning refers to a Windows function, the message would look like this :
Updating Windows affects the following functions
And features can then be listed.
In such a case, it may be useful to disable the specified Windows functions before continuing. Cancel the upgrade, open the Control Panel and enable or disable Windows features. These Windows features would probably not work properly after the upgrade.
If the warning refers to hardware or software compatibility issues, the message would look like this:
The Windows update affects
If you have a hardware problem, cancel the upgrade, open the Control Panel and check the updated device drivers or visit the device manufacturer’s website to check the updated drivers.
If it is a program problem, cancel the update and uninstall the program first.
Upgrade warnings are messages that indicate a potentially undesirable result, but do not prevent the installation from performing the upgrade.
On the other hand, messages Upgrade Block indicate that the upgrade cannot be performed.
To update Windows, you must first resolve the issues identified in the report.
The block message would typically look like this:
The following issues prevent upgrading from Windows.
And the problems can be mentioned.
In this case, cancel the upgrade, complete the tasks listed in the reports and restart the upgrade.
Once you have completed the required actions, the upgrade must be successfully completed.