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Update-Invoke-WPFSystemRepair.ps1 (#4043)
* Update Invoke-WPFSystemRepair.ps1 * Update Invoke-WPFSystemRepair.ps1 * add chkdsk back in to tell users if there disk is broken * Merge branch 'Update-Invoke-WPFSystemRepair' of https://github.com/gabinun/winutil into pr/GabiNun/4043 * add doc
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Gabi
@@ -1,137 +1,17 @@
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function Invoke-WPFSystemRepair {
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<#
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.SYNOPSIS
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Checks for system corruption using Chkdsk, SFC, and DISM
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Checks for system corruption using SFC, and DISM
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.DESCRIPTION
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1. Chkdsk - Fixes disk and filesystem corruption
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2. SFC Run 1 - Fixes system file corruption, and fixes DISM if it was corrupted
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3. DISM - Fixes system image corruption, and fixes SFC's system image if it was corrupted
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4. SFC Run 2 - Fixes system file corruption, this time with an almost guaranteed uncorrupted system image
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1. SFC - Fixes system file corruption, and fixes DISM if it was corrupted
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2. DISM - Fixes system image corruption, and fixes SFC's system image if it was corrupted
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3. Chkdsk - Checks for disk errors, which can cause system file corruption and notifies of early disk failure
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#>
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Start-Process cmd.exe -ArgumentList "/c chkdsk.exe /scan /perf" -NoNewWindow -Wait
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Start-Process cmd.exe -ArgumentList "/c sfc /scannow" -NoNewWindow -Wait
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Start-Process cmd.exe -ArgumentList "/c dism /online /cleanup-image /restorehealth" -NoNewWindow -Wait
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function Invoke-Chkdsk {
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<#
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.SYNOPSIS
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Runs chkdsk on the system drive
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.DESCRIPTION
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Chkdsk /Scan - Runs an online scan on the system drive, attempts to fix any corruption, and queues other corruption for fixing on reboot
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#>
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param(
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[int]$parentProgressId = 0
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)
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Write-Progress -Id 1 -ParentId $parentProgressId -Activity $childProgressBarActivity -Status "Running chkdsk..." -PercentComplete 0
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$oldpercent = 0
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# 2>&1 redirects stdout, allowing iteration over the output
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chkdsk.exe /scan /perf 2>&1 | ForEach-Object {
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Write-Debug $_
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# Regex to match the total percentage regardless of windows locale (it's always the second percentage in the status output)
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if ($_ -match "%.*?(\d+)%") {
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[int]$percent = $matches[1]
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if ($percent -gt $oldpercent) {
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Write-Progress -Id 1 -Activity $childProgressBarActivity -Status "Running chkdsk... ($percent%)" -PercentComplete $percent
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$oldpercent = $percent
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}
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}
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}
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Write-Progress -Id 1 -Activity $childProgressBarActivity -Status "chkdsk Completed" -PercentComplete 100 -Completed
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}
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function Invoke-SFC {
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<#
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.SYNOPSIS
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Runs sfc on the system drive
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.DESCRIPTION
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SFC /ScanNow - Performs a scan of the system files and fixes any corruption
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.NOTES
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ErrorActionPreference is set locally within a script block & {...} to isolate their effects.
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ErrorActionPreference suppresses false errors caused by sfc.exe output redirection.
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A bug in SFC output buffering causes progress updates to appear in chunks when redirecting output
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#>
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param(
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[int]$parentProgressId = 0
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)
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& {
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$ErrorActionPreference = "SilentlyContinue"
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Write-Progress -Id 1 -ParentId $parentProgressId -Activity $childProgressBarActivity -Status "Running SFC..." -PercentComplete 0
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$oldpercent = 0
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sfc.exe /scannow 2>&1 | ForEach-Object {
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Write-Debug $_
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if ($_ -ne "") {
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# sfc.exe /scannow outputs unicode characters, so we directly remove null characters for optimization
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$utf8line = $_ -replace "`0", ""
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if ($utf8line -match "(\d+)\s*%") {
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[int]$percent = $matches[1]
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if ($percent -gt $oldpercent) {
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Write-Progress -Id 1 -Activity $childProgressBarActivity -Status "Running SFC... ($percent%)" -PercentComplete $percent
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$oldpercent = $percent
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}
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}
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}
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}
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Write-Progress -Id 1 -Activity $childProgressBarActivity -Status "SFC Completed" -PercentComplete 100 -Completed
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}
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}
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function Invoke-DISM {
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<#
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.SYNOPSIS
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Runs DISM on the system drive
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.DESCRIPTION
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DISM - Fixes system image corruption, and fixes SFC's system image if it was corrupted
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/Online - Fixes the currently running system image
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/Cleanup-Image - Performs cleanup operations on the image, could remove some unneeded temporary files
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/Restorehealth - Performs a scan of the image and fixes any corruption
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#>
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param(
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[int]$parentProgressId = 0
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)
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Write-Progress -Id 1 -ParentId $parentProgressId -Activity $childProgressBarActivity -Status "Running DISM..." -PercentComplete 0
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$oldpercent = 0
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DISM /Online /Cleanup-Image /RestoreHealth | ForEach-Object {
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Write-Debug $_
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# Filter for lines that contain a percentage that is greater than the previous one
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if ($_ -match "(\d+)[.,]\d+%") {
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[int]$percent = $matches[1]
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if ($percent -gt $oldpercent) {
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# Update the progress bar
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Write-Progress -Id 1 -Activity $childProgressBarActivity -Status "Running DISM... ($percent%)" -PercentComplete $percent
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$oldpercent = $percent
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}
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}
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}
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Write-Progress -Id 1 -Activity $childProgressBarActivity -Status "DISM Completed" -PercentComplete 100 -Completed
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}
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try {
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Set-WinUtilTaskbaritem -state "Indeterminate" -overlay "logo"
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$childProgressBarActivity = "Scanning for corruption"
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Write-Progress -Id 0 -Activity "Repairing Windows" -PercentComplete 0
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# Step 1: Run chkdsk to fix disk and filesystem corruption before proceeding with system file repairs
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Invoke-Chkdsk
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Write-Progress -Id 0 -Activity "Repairing Windows" -PercentComplete 25
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# Step 2: Run SFC to fix system file corruption and ensure DISM can operate correctly
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Invoke-SFC
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Write-Progress -Id 0 -Activity "Repairing Windows" -PercentComplete 50
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# Step 3: Run DISM to repair the system image, which SFC relies on for accurate repairs
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Invoke-DISM
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Write-Progress -Id 0 -Activity "Repairing Windows" -PercentComplete 75
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# Step 4: Run SFC again to ensure system files are repaired using the now-fixed system image
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Invoke-SFC
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Write-Progress -Id 0 -Activity "Repairing Windows" -PercentComplete 100 -Completed
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Set-WinUtilTaskbaritem -state "None" -overlay "checkmark"
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} catch {
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Write-Error "An error occurred while repairing the system: $_"
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Set-WinUtilTaskbaritem -state "Error" -overlay "warning"
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} finally {
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Write-Host "==> Finished System Repair"
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Set-WinUtilTaskbaritem -state "None" -overlay "checkmark"
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}
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Write-Host "==> Finished System Repair"
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Set-WinUtilTaskbaritem -state "None" -overlay "checkmark"
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}
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