Hi,
What exactly is the problem?
You are on an Insider build, but
it's out of date. If it won't update,
then do a Repair Install first using:
And then check Windows Update
to get the latest build.
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I had deleted some files from main local disk (C) to make a big small. Accidently I deleted some Microsoft/Windows related files. After then this problem begins.
Hi,
What exactly is the problem?
You are on an Insider build, but
it's out of date. If it won't update,
then do a Repair Install first using:
And then check Windows Update
to get the latest build.
AI answer
The highlighted “Windows 11 Home Insider Preview… Evaluation copy” text is a normal Insider-build desktop watermark, not a pop-up or evidence of deleted Windows files; repair any actual Windows malfunctions separately with DISM and SFC. ^1^
C:\Windows, C:\Program Files, or other Microsoft system folders.DISM.exe /Online /Cleanup-Image /RestoreHealth
sfc /scannow
DISM repairs the Windows component store used as the repair source. SFC then scans protected system files and replaces missing or corrupted copies. Leave the window open until SFC reaches 100%. ^2^
Interpret the SFC result as follows:
Open:
Settings → System → Recovery → Advanced startup → Restart now
Then select:
Troubleshoot → Advanced options → System Restore
System Restore rolls back system files and settings without removing personal files. This option only works when a suitable restore point exists. ^3^
If there is no restore point, or the deleted files cannot be repaired:
Keep my files preserves personal files but removes installed applications and settings. Cloud download obtains a fresh Windows copy instead of relying on the potentially damaged local files. ^4^
The watermark itself may remain after repair because it belongs to the Insider Preview build. Do not use watermark-removal utilities or delete additional system files to remove it.
References