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If the creation of system restore points on your Windows PC fails and you A hidden copy has expired, error code 0x81000101, then this message may help you.
A hidden copy has expired
1] First create a system restore point.
2] Then open the WinX menu and click Run. Enter services.msc and press Enter to open Windows Service Manager. Check here if the Volume Shadow Copy service and its dependencies are running. The default setting is Manual. If it does not boot, click the Start button and try creating a system restore point now.
3] If it didn’t help, try this. Type regedit in the Run field to open the registry editor and navigate to the next key :
Click Edit > New > DWORD (32-bit) value.
Name the new value MinDiffAreaFileSize. Double-click it and enter the desired size for the phantom copy memory area in the Value data field .
Click OK and finish.
The MinDiffAreaFileSize registry key specifies the minimum size of the phantom copy storage area; the default setting is 300 MB and the maximum setting is 3 GB. For a precise setting, specify a value that is a multiple of 300 MB; otherwise, the next multiple of 300 MB will be selected. A value of 300 MB corresponds to 300 MB, and a value of 3 000 corresponds to 3 GB, according to Microsoft.
I hope this has helped you solve your problem.
RECOMMENDED: Click here to troubleshoot Windows errors and optimize system performance