Error 0x80070002 shows once you’re done backing up files through the Windows Backup program on a system running Windows 7, you see a notification that pops up with a message that reads something like:
“Check your backup results.
The backup completed but some files were skipped.”
You try finding out the reason and you hover over to the Options button beside the message, then you get to read the following lines:
“Check your backup results.
The backup completed but some files were skipped. View skipped files.”
Upon clicking the “View Skipped Files” option, the backup error 0x80070002 pops up on your screen and you’re left scratching your head, wondering what you’re going to do now.
Error CausesThere are multiple error logs that you will encounter in backup error 0x80070002 as per different conditions. The two most common cases in which this error shows up are stated below:
You will see the following message when you press “View skipped files”:
“Backup encountered a problem while backing up file C: Windows/System32/config/systemprofile. Error: (The system cannot find the file specified. (0x80070002))”
You will face this case if you have backed up a library that included custom folders that were located in your user profile.
Upon pressing “View Skipped files” you will encounter the below-mentioned messages:
“Backup encountered a problem while backing up file C:/Users<User>AppDataLocalLow. Error: (The system cannot find the file specified. (0x80070002))”
“Backup encountered a problem while backing up file C:/Users<User>Contacts. Error: (The system cannot find the file specified. (0x80070002))”
“Backup encountered a problem while backing up file C:/Users<User>Searches. Error:(The system cannot find the file specified. (0x80070002))”
You are likely to encounter any of these messages in case:
Keep in mind that all three of these folders exist due to the installation of certain programs and applications on your system.
The backup error 0x80070002 is also found to occur while using USB devices instead of storage devices. Other occurrences include the times when input/output (I/O) operations are performed on the USB device, which results in failure.
To make sure this issue is resolved, you will have to follow either one of the following solutions as appropriate to your situation:
Note: If you want to store the folder in a different place other than the folder in which it currently exists (user profile), you will need to create a new folder. In order to do so, go to the Windows Explorer menu and look up the root of the drive.
Hit “New Folder” and then choose edit to change its name. You can set it as any name for instance, “My Folders”.
You can ignore this error safely. However, if you wish not to see this error in the future during your backup operations then you will need to carry out the following steps:

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Error Causes
The greatest lag and server crashes are pinpointed to game-creating events. When a player creates a new online game, the server needs to pull a lot of details from the database and make a game, due to some legacy code present this process takes some time and it is demanding a bit on the server-side, and although code was optimized to cater to more modern approach some legacy code still remains.
Another thing that was spotted to affect performance itself is player behavior, to be more specific, modern gamer behavior. Where players find good builds and runs on the internet and then go to farm-specific areas or bosses for loot or experience points, which in return boils down to making plenty and short runs that are made by creating games and after run eliminating them. Now pair that with the previous statement about legacy server and database code and you can add 1 and 1 and see how this might be an issue.
A lot of short games over legacy code are placing games in a state it was not designed for back in 2001 and therefore we have issues. Sadly solutions without completely rewriting the whole code are not very promising and they include rate limiting, which will prevent players to create many games in succession in a short period of time and maybe even login queues to drop a load on servers.
Blizzard reached to people in the whole company, even old diablo 2 developers to ask for advice and they say that they are working on solutions so they could lift limitations and have everything running fine. "The file d3dx9_32.dll is missing" "D3DX9_32.DLL is missing. Replace D3DX9_32.DLL and try again." "File d3dx9_32.dll not found" "D3dx9_32.dll not found. Reinstalling might help fix this." "Missing component d3dx9_32.dll"This error usually pops while using gaming software. The D3dx9_32.dll error is displayed after a game is loaded or before the game-play begins. However, it may also appear in software that uses advanced graphic features.
Error Causesnet stop wuauserv net start cryptSvc net start bits net start msiserver
net start wuauserv net start cryptSvc net start bits net start msiserver
Get-AppXPackage -Name Microsoft.Windows.Cortana | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)AppXManifest.xml"}